The revenge of the forty-seven Rōnin (四十七士 Shi-jū-shichi-shi?, forty-seven samurai), also known as the Akō incident (赤穂事件 Akō jiken?) or Akō vendetta, is an 18th-century historical event and a legend in Japan in which a band of rōnin (leaderless samurai) avenged the death of their master. A noted Japanese scholar described the tale as the best known example of the samurai code of honor, bushidō, and as the country's "national legend." A contemporaneous samurai commentator on bushidō was however of the opinion that the tale is a good story of revenge, but by no means a story of bushidō.
The story tells of a group of samurai who were left leaderless (becoming rōnin) after their daimyo (feudal lord) Asano Naganori was compelled to commit seppuku (ritual suicide) for assaulting a court official named Kira Yoshinaka, whose title was Kōzuke no suke. The rōnin avenged their master's honor by killing Kira, after waiting and planning for a year. In turn, they were themselves obliged to commit seppuku for committing the crime of murder. This true story was popularized in Japanese culture as emblematic of the loyalty, sacrifice, persistence, and honor that people should preserve in their daily lives. The popularity of the tale grew during the Meiji era, in which Japan underwent rapid modernization, and the legend became entrenched within discourses of national heritage and identity.
Fictionalized accounts of the tale of the Forty-seven Rōnin are known as Chūshingura. The story was popularized in numerous plays, including bunraku and kabuki. Because of the censorship laws of the shogunate in the Genroku era, which forbade portrayal of current events, the names were changed. While the version given by the playwrights may have come to be accepted as historical fact by some[who?], the first Chūshingura was written some 50 years after the event, and numerous historical records about the actual events that predate the Chūshingura survive.
The bakufu's censorship laws had relaxed somewhat 75 years later in the late 18th century, when Japanologist Isaac Titsingh first recorded the story of the Forty-seven Ronin as one of the significant events of the Genroku era. The story continues to be popular in Japan to this day. Each year on December 14, Sengakuji Temple holds a festival commemorating the event.
- 1 Name
- 2 Story
- 3 Criticism
- 4 In the arts
- 5 Gallery
- 6 Notes
- 7 References
- 8 External links
- 9 Further reading
The event is known in Japan as the Akō incident (赤穂事件 Akō jiken?), sometimes also referred to as the Akō vendetta. The participants in the revenge are called the Akō-rōshi (赤穂浪士?) or Shi-jū-shichi-shi (四十七士?) in Japanese, and are usually referred to as the "Forty-seven Ronin" or "Forty-seven lordless samurai" in English. Literary accounts of the events are known as the Chūshingura (忠臣蔵 The Treasury of Loyal Retainers?).
For many years, the version of events retold by A. B. Mitford in Tales of Old Japan (1871) was considered authoritative. The sequence of events and the characters in this narrative were presented to a wide popular readership in the West. Mitford invited his readers to construe his story of the Forty-seven Ronin as historically accurate; and while his version of the tale has long been considered a standard work, some of its precise details are now questioned. Nevertheless, even with plausible defects, Mitford's work remains a conventional starting point for further study.
Whether as a mere literary device or as a claim for ethnographic veracity, Mitford explains:
In the midst of a nest of venerable trees in Takanawa, a suburb of Yedo, is hidden Sengakuji, or the Spring-hill Temple, renowned throughout the length and breadth of the land for its cemetery, which contains the graves of the Forty-seven Rônin, famous in Japanese history, heroes of Japanese drama, the tale of whose deed I am about to transcribe.— Mitford, A. B. [emphasis added]
Mitford appended what he explained were translations of Sengakuji documents the author had examined personally. These were proffered as "proofs" authenticating the factual basis of his story. These documents were:
- ...the receipt given by the retainers of Kira Kôtsuké no Suké's son in return for the head of their lord's father, which the priests restored to the family.
- ...a document explanatory of their conduct, a copy of which was found on the person of each of the forty-seven men, dated in the 15th year of Genroku, 12th month.
- ...a paper which the Forty-seven Rǒnin laid upon the tomb of their master, together with the head of Kira Kôtsuké no Suké.
(See Tales of Old Japan for the widely known, yet significantly fictional narrative.)
Genesis of a tragedy
In 1701, two daimyo, Asano Takumi-no-Kami Naganori, the young daimyo of the Akō Domain (a small fiefdom in western Honshū), and Lord Kamei of the Tsuwano Domain, were ordered to arrange a fitting reception for the envoys of the Emperor at Edo Castle, during their sankin kōtai service to the Shogun.
These daimyo names are not fictional, nor is there any question that something actually happened in Genroku (year) 15, on the 14th day of the 12th month (元禄十五年十二月十四日?, Tuesday, January 30, 1703). What is commonly called the Akō incident was an actual event.
Asano and Kamei were to be given instruction in the necessary court etiquette by Kira Kozuke-no-Suke Yoshinaka, a powerful official in the hierarchy of Tokugawa Tsunayoshi's shogunate. He became upset at them, allegedly either because of the insufficient presents they offered him (in the time-honored compensation for such an instructor), or because they would not offer bribes as he wanted. Other sources say that he was naturally rude and arrogant, or that he was corrupt, which offended Asano, a devoutly moral Confucian. By some accounts it also appears Asano may have been unfamiliar with the intricacies of the Shogunate court, as bribery was very common at the time. Whether Kira treated them poorly, insulted them, or failed to prepare them for fulfilling specific bakufu duties, offense was taken.
Initially, Asano bore all this stoically while Kamei became enraged and prepared to kill Kira to avenge the insults. However, the quick thinking counselors of Kamei averted disaster for their lord and clan (for all would have been punished if Kamei had killed Kira) by quietly giving Kira a large bribe; Kira thereupon began to treat Kamei nicely, which calmed Kamei.
However, Kira allegedly continued to treat Asano harshly, because he was upset that the latter had not emulated his companion. Finally, Kira insulted Asano, calling him a country boor with no manners, and Asano could restrain himself no longer. At the Matsu no Ōrōka, the main grand corridor that interconnects the Shiroshoin (白書院) and the Ōhiroma of the Honnmaru Goten (本丸御殿) residence, Asano lost his temper and attacked Kira with a dagger, wounding him in the face with his first strike; his second missed and hit a pillar. Guards then quickly separated them.
Kira's wound was hardly serious, but the attack on a shogunate official within the boundaries of the shogun's residence was considered a grave offense. Any kind of violence, even drawing a katana, was completely forbidden in Edo Castle. The daimyo of Akō had removed his dagger from its scabbard within Edo Castle, and for that offense, he was ordered to kill himself by committing seppuku. Asano's goods and lands were to be confiscated after his death, his family was to be ruined, and his retainers were to be made ronin (leaderless).
This news was carried to Ōishi Kuranosuke Yoshio, Asano's principal counsellor, who took command and moved the Asano family away, before complying with bakufu orders to surrender the castle to the agents of the government.
The ronin plot revenge
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Of Asano's over three hundred men, forty-seven, especially their leader Ōishi, refused to allow their lord to go unavenged, even though revenge had been prohibited in the case. They banded together, swearing a secret oath to avenge their master by killing Kira, even though they knew they would be severely punished for doing so.
Kira was well guarded, however, and his residence had been fortified to prevent just such an event. The ronin saw that they would have to put him off his guard before they could succeed. To quell the suspicions of Kira and other shogunate authorities, they dispersed and became tradesmen and monks.
Ōishi took up residence in Kyoto and began to frequent brothels and taverns, as if nothing were further from his mind than revenge. Kira still feared a trap, and sent spies to watch the former retainers of Asano.
One day, as Ōishi returned home drunk, he fell down in the street and went to sleep, and all the passers-by laughed at him. A Satsuma man, passing by, was infuriated by this behaviour on the part of a samurai—by his lack of courage to avenge his master as well as his current debauched behaviour. The Satsuma man abused and insulted Ōishi, kicked him in the face (to even touch the face of a samurai was a great insult, let alone strike it), and spat on him.
Not too long after, Ōishi went to his loyal wife of twenty years and divorced her so that no harm would come to her when the ronin took revenge. He sent her away with their two younger children to live with her parents; he gave the eldest boy, Chikara, a choice to stay and fight or to leave. Chikara remained with his father.
Ōishi began to act oddly and very unlike the composed samurai. He frequented geisha houses (particularly Ichiriki Chaya), drank nightly, and acted obscenely in public. Ōishi's men bought a geisha, hoping she would calm him. This was all a ruse to rid Ōishi of his spies.
Kira's agents reported all this to Kira, who became convinced that he was safe from the retainers of Asano, that they must all be bad samurai indeed, without the courage to avenge their master after a year and a half. Thinking them harmless and lacking funds from his "retirement", he then reluctantly let down his guard.
The rest of the faithful ronin now gathered in Edo, and in their roles as workmen and merchants gained access to Kira's house, becoming familiar with the layout of the house and the character of all within. One of the retainers (Kinemon Kanehide Okano) went so far as to marry the daughter of the builder of the house, to obtain the house's design plans. All of this was reported to Ōishi. Others gathered arms and secretly transported them to Edo, another offense.
After two years, when Ōishi was convinced that Kira was thoroughly off his guard, and everything was ready, he fled from Kyoto, avoiding the spies who were watching him, and the entire band gathered at a secret meeting place in Edo to renew their oaths.
In Genroku 15, on the 14th day of the 12th month (元禄十五年十二月十四日?, Tuesday, January 30, 1703), early in the morning in a driving wind during a heavy fall of snow, Ōishi and the ronin attacked Kira Yoshinaka's mansion in Edo. According to a carefully laid-out plan, they split up into two groups and attacked, armed with swords and bows. One group, led by Ōishi, was to attack the front gate; the other, led by his son, Ōishi Chikara, was to attack the house via the back gate. A drum would sound the simultaneous attack, and a whistle would signal that Kira was dead.
Once Kira was dead, they planned to cut off his head and lay it as an offering on their master's tomb. They would then turn themselves in and wait for their expected sentence of death. All this had been confirmed at a final dinner, at which Ōishi had asked them to be careful and spare women, children, and other helpless people. (The code of bushido does not require mercy to noncombatants, or forbid it.)
Ōishi had four men scale the fence and enter the porter's lodge, capturing and tying up the guard there. He then sent messengers to all the neighboring houses, to explain that they were not robbers, but retainers out to avenge the death of their master, and that no harm would come to anyone else: the neighbors were all safe. One of the ronin climbed to the roof and loudly announced to the neighbors that the matter was an act of revenge (katakiuchi, 敵討ち). The neighbors, who all hated Kira, were relieved and did nothing to hinder the raiders.
After posting archers (some on the roof) to prevent those in the house (who had not yet awakened) from sending for help, Ōishi sounded the drum to start the attack. Ten of Kira's retainers held off the party attacking the house from the front, but Ōishi Chikara's party broke into the back of the house.
Kira, in terror, took refuge in a closet in the veranda, along with his wife and female servants. The rest of his retainers, who slept in barracks outside, attempted to come into the house to his rescue. After overcoming the defenders at the front of the house, the two parties led by father and son joined up and fought the retainers who came in. The latter, perceiving that they were losing, tried to send for help, but their messengers were killed by the archers posted to prevent that eventuality.
Eventually, after a fierce struggle, the last of Kira's retainers was subdued; in the process the ronin killed sixteen of Kira's men and wounded twenty-two, including his grandson. Of Kira, however, there was no sign. They searched the house, but all they found were crying women and children. They began to despair, but Ōishi checked Kira's bed, and it was still warm, so he knew he could not be far away.
The death of Kira
A renewed search disclosed an entrance to a secret courtyard hidden behind a large scroll; the courtyard held a small building for storing charcoal and firewood, where two more hidden armed retainers were overcome and killed. A search of the building disclosed a man hiding; he attacked the searcher with a dagger, but the man was easily disarmed.
He refused to say who he was, but the searchers felt sure it was Kira, and sounded the whistle. The ronin gathered, and Ōishi, with a lantern, saw that it was indeed Kira—as a final proof, his head bore the scar from Asano's attack.
At that, Ōishi went on his knees, and in consideration of Kira's high rank, respectfully addressed him, telling him they were retainers of Asano, come to avenge him as true samurai should, and inviting Kira to die as a true samurai should, by killing himself. Ōishi indicated he personally would act as a kaishakunin ("second", the one who beheads a person committing seppuku to spare them the indignity of a lingering death) and offered him the same dagger that Asano had used to kill himself.
However, no matter how much they entreated him, Kira crouched, speechless and trembling. At last, seeing it was useless to ask, Ōishi ordered the other ronin to pin him down, and killed him by cutting off his head with the dagger.
They then extinguished all the lamps and fires in the house (lest any cause the house to catch fire and start a general fire that would harm the neighbors) and left, taking Kira's head.
One of the ronin, the ashigaru Terasaka Kichiemon, was ordered to travel to Akō and report that their revenge had been completed. (Though Kichiemon's role as a messenger is the most widely accepted version of the story, other accounts have him running away before or after the battle, or being ordered to leave before the ronin turned themselves in.)
As day was now breaking, they quickly carried Kira's head from his residence to their lord's grave in Sengaku-ji temple, marching about ten kilometers across the city, causing a great stir on the way. The story of the revenge spread quickly, and everyone on their path praised them and offered them refreshment.
On arriving at the temple, the remaining forty-six ronin (all except Terasaka Kichiemon) washed and cleaned Kira's head in a well, and laid it, and the fateful dagger, before Asano's tomb. They then offered prayers at the temple, and gave the abbot of the temple all the money they had left, asking him to bury them decently, and offer prayers for them. They then turned themselves in; the group was broken into four parts and put under guard of four different daimyo.
During this time, two friends of Kira came to collect his head for burial; the temple still has the original receipt for the head, which the friends and the priests who dealt with them all signed.
The shogunate officials in Edo were in a quandary. The samurai had followed the precepts of bushido by avenging the death of their lord; but they had also defied the shogunate authority by exacting revenge, which had been prohibited. In addition, the Shogun received a number of petitions from the admiring populace on behalf of the ronin. As expected, the ronin were sentenced to death for the murder of Kira; but the Shogun had finally resolved the quandary by ordering them to honorably commit seppuku instead of having them executed as criminals. It is known that each of the assailants ended his life in a ritualistic fashion. Ōishi Chikara, the youngest, was only 15 years old on the day the raid took place, and only 16 the day he had to commit seppuku.
Each of the forty-six ronin killed himself in Genroku 16, on the 4th day of the 2nd month (元禄十六年二月四日?, Tuesday, March 20, 1703). This has caused a considerable amount of confusion ever since, with some people referring to the "forty-six ronin"; this refers to the group put to death by the Shogun, while the actual attack party numbered forty-seven. The forty-seventh ronin, identified as Terasaka Kichiemon, eventually returned from his mission and was pardoned by the Shogun (some say on account of his youth). He lived until the age of 87, dying around 1747, and was then buried with his comrades. The assailants who died by seppuku were subsequently interred on the grounds of Sengaku-ji, in front of the tomb of their master.
The clothes and arms they wore are still preserved in the temple to this day, along with the drum and whistle; their armor was all home-made, as they had not wanted to arouse suspicion by purchasing any.
The tombs became a place of great veneration, and people flocked there to pray. The graves at the temple have been visited by a great many people throughout the years since the Genroku era. One of those was the Satsuma man who had mocked and spat on Ōishi as he lay drunk in the street. Addressing the grave, he begged for forgiveness for his actions and for thinking that Ōishi was not a true samurai. He then committed suicide and was buried next to the ronin.
Re-establishment of the Asano clan's lordship
Though the revenge is often viewed as an act of loyalty, there had been a second goal, to re-establish the Asanos' lordship and finding a place for fellow samurai to serve. Hundreds of samurai who had served under Asano had been left jobless, and many were unable to find employment, as they had served under a disgraced family. Many lived as farmers or did simple handicrafts to make ends meet. The revenge of the Forty-seven Ronin cleared their names, and many of the unemployed samurai found jobs soon after the ronin had been sentenced to their honorable end.
Asano Daigaku Nagahiro, Naganori's younger brother and heir, was allowed by the Tokugawa Shogunate to re-establish his name, though his territory was reduced to a tenth of the original.
The ronin spent more than 14 months waiting for the "right time" for their revenge. It was Yamamoto Tsunetomo, author of the Hagakure, who asked the well known question: "What if, nine months after Asano's death, Kira had died of an illness?" His answer was that the Forty-seven Ronin would have lost their only chance at avenging their master. Even if they had claimed, then, that their dissipated behavior was just an act, that in just a little more time they would have been ready for revenge, who would have believed them? They would have been forever remembered as cowards and drunkards—bringing eternal shame to the name of the Asano clan. The right thing for the ronin to do, wrote Yamamoto, according to proper bushido, was to attack Kira and his men immediately after Asano's death. The ronin would probably have suffered defeat, as Kira was ready for an attack at that time—but this was unimportant.
Ōishi, from the perspective of bushido, was too obsessed with success, according to Yamamoto. He conceived his convoluted plan to ensure they would succeed at killing Kira, which is not a proper concern in a samurai: the important thing was not the death of Kira, but for the former samurai of Asano to show outstanding courage and determination in an all-out attack against the Kira house, thus winning everlasting honor for their dead master. Even if they had failed to kill Kira, even if they had all perished, it would not have mattered, as victory and defeat have no importance in bushido. By waiting a year, they improved their chances of success but risked dishonoring the name of their clan, the worst sin a samurai can commit. This is why Yamamoto claims that the tale of the Forty-seven Ronin is a good story of revenge, but by no means a story of bushido.
In the arts
The tragedy of the Forty-seven Ronin has been one of the most popular themes in Japanese art, and has lately even begun to make its way into Western art.
Immediately following the event, there were mixed feelings among the intelligentsia about whether such vengeance had been appropriate. Many agreed that, given their master's last wishes, the ronin had done the right thing, but were undecided about whether such a vengeful wish was proper. Over time, however, the story became a symbol, not of bushido, as the ronin can be seen as seriously lacking it, but of loyalty to one's master and later, of loyalty to the emperor. Once this happened, the story flourished as a subject of drama, storytelling, and visual art.
The incident immediately inspired a succession of kabuki and bunraku plays; the first, The Night Attack at Dawn by the Soga, appeared only two weeks after the ronin died. It was shut down by the authorities, but many others soon followed, initially in Osaka and Kyoto, farther away from the capital. Some even took the story as far as Manila, to spread the story to the rest of Asia.
The most successful of the adaptations was a bunraku puppet play called Kanadehon Chūshingura (now simply called Chūshingura, or "Treasury of Loyal Retainers"), written in 1748 by Takeda Izumo and two associates; it was later adapted into a kabuki play, which is still one of Japan's most popular.
In the play, to avoid the attention of the censors, the events are transferred into the distant past, to the 14th century reign of shogun Ashikaga Takauji. Asano became Enya Hangan Takasada, Kira became Ko no Moronao and Ōishi became Ōboshi Yuranosuke Yoshio; the names of the rest of the ronin were disguised to varying degrees. The play contains a number of plot twists that do not reflect the real story: Moronao tries to seduce Enya's wife, and one of the ronin dies before the attack because of a conflict between family and warrior loyalty (another possible cause of the confusion between forty-six and forty-seven).
The story was turned into an opera, Chūshingura, by Shigeaki Saegusa in 1997.
Cinema and television
The play has been made into a movie at least six times in Japan, the earliest starring Onoe Matsunosuke. The film's release date is questioned, but placed between 1910 and 1917. It has been aired on the Jidaigeki Senmon Channel (Japan) with accompanying benshi narration. In 1941, the Japanese military commissioned director Kenji Mizoguchi, who would later direct Ugetsu, to make Genroku Chūshingura. They wanted a ferocious morale booster based upon the familiar rekishi geki ("historical drama") of The Loyal 47 Ronin. Instead, Mizoguchi chose for his source Mayama Chūshingura, a cerebral play dealing with the story. The film was a commercial failure, having been released in Japan one week before the attack on Pearl Harbor. The Japanese military and most audiences found the first part to be too serious, but the studio and Mizoguchi both regarded it as so important that Part Two was put into production, despite lukewarm reception to Part One. Renowned by postwar scholars lucky to have seen it in Japan, the film wasn't shown in America until the 1970s.
The 1962 film version directed by Hiroshi Inagaki, Chūshingura, is most familiar to Western audiences. In it, Toshiro Mifune appears in a supporting role as spearman Tawaraboshi Genba. Mifune was to revisit the story several times in his career. In 1971 he appeared in the 52-part television series Daichūshingura as Ōishi, while in 1978 he appeared as Lord Tsuchiya in the epic Swords of Vengeance (Ako-Jo danzetsu).
Many Japanese television shows, including single programs, short series, single seasons, and even year-long series such as Daichūshingura and the more recent NHK Taiga drama Genroku Ryōran, recount the events of the Forty-seven Ronin. Among both films and television programs, some are quite faithful to the Chūshingura, while others incorporate unrelated material or alter details. In addition, gaiden dramatize events and characters not in the Chūshingura. Kon Ichikawa directed another version in 1994. In 2004, Saito Mitsumasa directed a 9-episode mini-series starring Matsudaira Ken, who also starred in a 1999 49-episode TV series of the Chūshingura entitled Genroku Ryoran. In Hirokazu Koreeda's 2006 film Hana yori mo naho, the events of the Forty-seven Ronin story were used as backdrop, with one of the ronin being a neighbour of the protagonists.
The Forty-seven Ronin are one of the most popular themes in woodblock prints, or ukiyo-e and many well-known artists have made prints portraying either the original events, scenes from the play, or the actors. One book on subjects depicted in woodblock prints devotes no fewer than seven chapters to the history of the appearance of this theme in woodblocks. Among the artists who produced prints on this subject are Utamaro, Toyokuni, Hokusai, Kunisada, Hiroshige, and Yoshitoshi. However, probably the most widely known woodblocks in the genre are those of Kuniyoshi, who produced at least eleven separate complete series on this subject, along with more than twenty triptychs.
In the West
- The earliest known account of the Akō incident in the West was published in 1822 in Isaac Titsingh's posthumously-published book Illustrations of Japan.
- The 1998 spy-thriller action film Ronin directed by John Frankenheimer does not retell the story of the 47 Rōnin overtly, but instead directly invokes the legend as a means to add a moral and ethical dimension to the actions of a crew of former intelligence operatives of various nations who have turned mercenary in the years following the dissolution of the Soviet Union. These former spies, operating outside of the control of their various national intelligence organizations, have in effect become modern rōnin. In the film a former French spy portrayed by Michael Lonsdale, who has created elaborate dioramas in his retirement depicting the various episodes of the 47 Ronin, queries an American former operative "Sam" (Robert De Niro) whom he has been giving shelter to, about whether he understands the 47's decision to commit seppuku following the success of their revenge. Sam simply replies, "They chose wrong." Depending on one's understanding of Bushido, simple obedience to the former master, or the warrior's dedication to realization of his unique potentiality, the viewer is left with several ironies to choose from in interpreting the American's reply and subsequent actions, or whether the creators of the film understood the implications of the story of the 47 Rōnin themselves.
- The action film 47 Ronin was released on December 25, 2013, by Universal Pictures and starred Keanu Reeves as an outcast who joins the samurai in their quest to avenge their slain master. Many Japanese actors, such as Hiroyuki Sanada, Tadanobu Asano, Kō Shibasaki, Rinko Kikuchi, and Jin Akanishi, also appear in the film. 
- 2015 adventure film Last Knights, directed by Kazuaki Kiriya and stars Clive Owen, Cliff Curtis and Morgan Freeman is also an adoption of this legend. The setting is a "Game of Thrones" like fantasy kingdom with European and Asian influences.
- At a more modest level, the story of the Ronin appears in "Het Wapen van Rihei" (the Weapon of Rihei) in the series "De Rode Ridder" by Willy Vandersteen, as a side line in the story. However, although the gesture to include historical matter in a story has its charm, it is per definition inaccurate, since the early Rode Ridder stories are set in the Middle Ages (including a reference to the 1302 battle at Groeningerkouter in album nr 10); the 47 Ronin story took place many ages later.
- In 2012, Dark Horse Comics started publishing 47 Ronin: The Tale of the Loyal Retainers written by Mike Richardson with art from Stan Sakai. The series ran for five issues and was collected into a hardcover in 2014.
Memorial to the unswerving loyalty of Oishi Yoshio and 46 others, at the site where they died
Incense burns at the graves of the Forty-seven Ronin at Sengaku-ji
Woodcut by Kunisada depicting the attack (early 1800s)
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- Steward, Basil. (1922). Subjects Portrayed in Japanese Colour-Prints. New York.
- Titsingh, Isaac. (1820). Mémoires et Anecdotes sur la Dynastie régnante des Djogouns, Souverains du Japon. Paris: Nepveu.
- Weinberg, David R. et al. (2001). Kuniyoshi: The Faithful Samurai. Leiden.
- Robson, Lucia St. Clair (1991) The Tokaido Road. Forge Books. New York.
- Chushingura and the Samurai Tradition – Comparisons of the accuracy of accounts by Mitford, Murdoch and others, as well as much other useful material, by a noted scholars of Japan
- Ako's Forty-Seven Samurai – Web site produced by students at Ako High School; contains the story of the 47 ronin's story, and images of wooden votive tablets of the 47 ronin in the Oishi Shrine, Ako
- The Trouble with Terasaka: The Forty-Seventh Ronin and the Chushingura Imagination by Henry D. Smith II, Japan Review, 2004, 16:3-65
- Five different woodblock print versions of the story by Ando Hiroshige
- National Diet Library: photograph of Sengaku-ji (1893); photograph of Sengaku-ji (1911)
- Yoshitoshi, 47 Ronin series (1860)
- Discover the tales of Chushingura, the 47 Ronins