Ali al-Ridha

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ʿAlī ar-Riḍā
عَلِيّ ٱلرِّضَا

Imam Ali ar Ridha.png
Arabic text with the name of Ali ibn Musa and one of his titles, "al-Ridha"
Bornc. 1 January 766 CE[1]
(11 Dhu al-Qa'dah 148 AH)
Died6 June 818(818-06-06) (aged 53)
or 17/30 Safar 202 AH Martyred
Cause of deathPoisoning by Al-Ma'mun, according to most Shia Muslims
Resting placeImam Reza shrine, Mashhad, Iran
36°17′13″N 59°36′56″E / 36.28694°N 59.61556°E / 36.28694; 59.61556
Other namesʿAlī ʾibn Mūsā
(عَلِيّ ٱبْن مُوسَىٰ)
  • ar-Ridā[2]
    (Arabic for "the Pleasing")
  • Imām al-Dhāmin[3]
    (Arabic for Imām of Surety)
  • Sekizinci İmam
    (Turkish for Eighth Imam)
Term799–818 ᴄᴇ
PredecessorMusa al-Kadhim
SuccessorMuhammad al-Jawad
Spouse(s)Sabīkaħ, aka Khayzurān[2]
Umm Habib bint Al-Ma'mun[4]
Parent(s)Musa al-Kadhim
Ummul Banīn Najmah[2]
Personal details

Ali ibn Musa al-Ridha (Arabic: عَلِيّ ٱبْن مُوسَىٰ ٱلرِّضَا‎, romanizedAlī ibn Mūsā al-Riḍā; c. 1 January 766 – 6 June 818),[2] also spelled Rida or Reza in Persian, also known as Abu al-Hasan, was a descendant of the Islamic prophet Muhammad, and the eighth Imam in Twelver Shia Islam, after his father Musa al-Kadhim, and before his son Muhammad al-Jawad. He was an Imam of knowledge according to the Zaydi (Fiver) Shia school. He is also seen as a major religious figure for many Sunnis, particularly Sufis.[5] He lived in a period when Abbasid caliphs were facing numerous difficulties, the most important of which was Shia revolts. The Caliph Al-Ma'mun sought out a remedy for this problem by appointing Al-Ridha as his successor, through whom he could be involved in worldly affairs. However, according to the Shia view, when Al-Ma'mun saw that the Imam gained even more popularity, he decided to correct his mistake by poisoning him. The Imam was buried at the Imam Reza shrine in a city in Khorasan, which afterwards gained the name Mashhad, meaning "the place of martyrdom".[6][7]

The Tomb of Imam Reza at Mashhad is the largest Shi'ite holy site and one of the most visited holy sites in Shi'ite Islam.[8]

Birth and family life[edit]

On the eleventh of Dhu al-Qa'ida, 148 AH (29 December 765 CE), a son was born in the house of Musa al-Kadhim (the seventh Imam of Twelver Shia Islam) in Medina. He was named Ali and titled al-Ridha, literally meaning in Arabic, "the soothe", since it was believed that Allah was contented with him. His kunya (alternative name) was Abu'l Hasan since he was the father of al-Hasan; the naming of a father after his son being a common practice in Arab culture. However, in the Shia sources, he is commonly called Abu'l-Ḥasan al-Ṯānī (the second Abu'l Hasan), since his father, Musa al-Kadhim, was also Abu'l Hasan (he was known as Abu'l-Ḥasan al-Awwal, meaning the first Abu'l Hasan). But according to Sunni scholar Ali was Abu'l Hasan Al awwal mean first Abu'l Hasan name after his son Hasan. In keeping with his very high status amongst Shi'a, he has been given other honorific titles since, such as Saber, Vafi, Razi, Zakki and Vali.[9]

Ali was born one month after the death of his grandfather, Ja'far as-Sādiq, and brought up in Medina under the direction of his father.[10] His mother, Najmah, was also a distinguished and pious lady. It is said that the boy al-Ridha required a great deal of milk, so that when his mother was asked whether her milk was sufficient, she answered, "it is not because my milk is not sufficient, but he wants it all the time, and consequently I am falling short in my prayers."[7] Originally a North African slave woman, she was purchased and freed by Bibi Hamidah Khatun, the wife of Ja'far al-Sadiq. Ali ibn Musa was said to be shadid ummah or Aswad, meaning he had a very dark-skinned or black complexion.[11] Bibi Hamidah was a notable Islamic scholar.[12]

Disputes exist regarding the number of his offspring and their names. A group of scholars (Sunni) say that they were five sons and one daughter, and that they were: Muhammad al- Qani', al-Hasan, Ja'far, Ibrahim, al-Husayn, and 'Ayesha. Sabt ibn al-Jawzi, in his work Tadhkiratul-Khawass (Introduced eminence of the heirs of Muhammad The Prophet of Islam]), says that the sons were only four, dropping the name of Husayn from the list.[13]

Designation as Imam[edit]

The eighth Imam had reached the Imamate, after the death of his father, through Divine Command and the decree of his forefathers,[14] especially Imam Musa al-Kadhim, who would repeatedly tell his companions that his son Ali would be the Imam after him.[15] As such, Makhzumi says that one day Musa al-Kadhim summoned and gathered us and entitled him as "his executor and successor."[16] From the onset, al-Kadhim preferred al-Ridha to the rest of his sons, informing them, "This is your brother ‘Ali b. Musa’, who is the scholar of the Household of Muhammad. Question him about your beliefs and memorize what he says to you, for I heard my father, Ja'far al-Sadiq say: ‘The scholar of the Household of Muhammad, may Allah bless him and his Household, is in your loins. Would that I met him, for he is the namesake of (Imam Ali) the Commander of the faithful.' "[17]

Yazid ibn Salit has also related a similar narration from the seventh Imam when he met him on his way to Mecca: "Ali, whose name is the same as the First and the fourth Imam, is the Imam after me." Said the Imam. However, due to the extreme choking atmosphere and pressure prevailed in the period of Musa al-Kazim, he added, "What I said must remain (restricted) up to you and do not reproduce it to anybody unless you know he is one of our friends and companions."[18][19] The same is narrated from Ali bin Yaqtin, from Imam Musa al-Kazim who has said "Ali is the best of my children and I have conferred on him my epithet"[15] According to Wāqedī, even in his youth, Ali al-Ridha would transmit Hadith from his father and his uncles and gave Fatwa in the mosque of Medina.[10][20] Ali al-Ridha was not looked upon favorably by Hārūn Rashīd; and the people of Medina were disallowed from visiting and learning from him.[21] According to Donaldson he was twenty or twenty-five years old when he succeeded his father as Imam in Medina, and it was about eighteen years later, when the Caliph Al-Ma'mun "undertook to ingratiate himself with the numerous Shia parties by designating Ali ar-Ridha as his successor to the Caliphate."[7]

Contemporary political situation[edit]

After the death of Harun al-Rashid in 809, Harun's two sons began fighting for control of the Abbasid Empire. One son, Al-Amin, had an Arab mother and thus had the support of Arabs, while his half-brother Al-Ma'mun had a Persian mother and the support of Persia.[22] After defeating his brother, al-Ma'mun faced many insurrections from the followers of Muhammad's family in many areas.[20]

The Shia of al-Ma'mun's era, like the Shia of today, who made a large population of al-Ma'mun's Iran, regarded the Imams as their leaders who must be obeyed in all aspects of life, spiritual and terrestrial, as they believed in them as the real caliphs of Muhammad. The Abbasids, like the Umayyads before them, realized this as a big threat to their own caliphate, since the Shias saw them as usurpers of al-Ma'mun which was far from the sacred status of their Imams. Allamah Tabatabaei writes in his book Shi'ite Islam, that in order to quiet the many Shia rebellions around his government, al-Ma'mun summoned Imam al-Ridha to Khorasan and wanted to offer him the role of Crown Prince to prevent the Shias and relatives of al-Ridha from rebelling against the government, seeing as they would then be fighting their own Imam; secondly, to cause the people to lose their spiritual belief and inner attachment to the Imams, because the Imam would be associated with the corrupt government of al-Ma'mun.[23] Thirdly, he intended it to fool other Shias into believing that his government was not so bad after all, because al-Ridha would then come into power after Ma'mun. And fourthly, he wanted to keep a close watch over the Imam of the Shias himself, so that nothing could happen without al-Ma'mun's knowledge.

Word spread quickly among al-Ma'mun's circles that al-Ma'mun was not sincere in his offer to make Ali ibn Musa al-Ridha the Crown Prince, and that it was simply a political move. Al-Ma'mun also became paranoid and thought that al-Ridha would see through it as well, and so would his Shias. In order to quiet the doubts of the people, al-Ma'mun first offered al-Ridha the caliphate itself. He wrote a letter to the Abbasids, who were displeased with his decision to entrust al-Ridha the seat of the caliphate, saying:

Al-Ma’mun did not pledge allegiance to him (al-Ridha) but discerning of his affair, knowing that none on the face of earth is clearer than him in merit, more manifest than him in chastity, more pious than him in piety, more ascetic than him in renouncing the world, freer than him in soul, more pleasing than him to the special associates and the general populace, and firmer than him in Divine essence. The pledge of allegiance to him confirms with the good pleasure of the Lord.[17]

Al-Ridha, who knew the real reason of this offer, politely refused it[24] and said:

If this caliphate belongs to you, then it is not permissible for you to take off the garment in which Allah has clothed you and to give it to other than you. If the caliphate does not belong to you, then it is not permissible for you to give me that which does not belong to you.[20]

Al-Ma'mun kept trying to make his offer seem sincere and kept re-offering the caliphate, and finally moved on to his real plan to make his Crown Prince be Ali al-Ridha. In the document where he pledges allegiance to Ali al-Ridha, Ma'mun writes:

His (al-Ma’mu’n’s) choosing ‘Ali b. Musa’ b. Ja‘far b. Muhammad b. ‘Ali b. al-Husayn b. ‘Ali b. Abu’ Ta’lib was after asking Allah for the best and exerting himself in accomplishing His right toward His servants and His Earth concerning the two houses in general (i.e., the ‘Abba’sid House and the ‘Alawide Family, may Allah increase it in honor). That is because he (al-Ma’mu’n) has seen his (the Imam’s) brilliant excellence, his plain knowledge, his manifest piety, his pure asceticism, his renouncing the world, and his being safe from the people. It has become clear for him that reports, tongues, and words have unanimously agreed upon his candidacy. Besides, he knew of his excellence as a youth and through adolescence, so he has appointed him as his successor after him.[25]

When Imam al-Ridha also declined this position, al-Ma'mun threatened him saying "Your ancestor Ali was chosen by the second caliph to be in a six member council to elect the third caliph, and ordered to kill any one of the six who didn't comply. If you do not accept the position of Crown Prince in my government, I will follow through on the same threat". Al-Ridha said he would accept, under the condition that none of the affairs of government would be his. He would neither appoint anyone, nor dismiss. He would not rule, or pass laws. He would only be Crown Prince in name. Al-Ma'mun became happy that al-Ridha had accepted and would stay out of his way in governing, and agreed to the condition.

Al-Ma'mun even changed the black Abbāsid flags to green,[26][27] the traditional color of Shia[27] Mohammad's flag and Ali's cloak.[28] He also ordered to mint coins with names of both Al-Ma'mun and Ali al-Ridha.[27]

Admonishment of his brother[edit]

Pilgrims of Imam Ali Riza's Shrine in Mashhad, Khorasan

When al-Ridha was summoned to Khurasan and reluctantly accepted the role of successor to al-Ma'mun,[14][29] al-Ma'mun summoned the Imam's brother, Zayd, who had revolted and brought about a riot in Medina to his court in Khorasan. Al-Ma'mun kept him free as an honor to Ali al-Ridha and overlooked his punishment.[30]

One day, however, when Ali al-Ridha was delivering a speech in a grand assembly, he heard Zayd praising himself before the people, saying I am so and so. Ali al-Ridha asked him saying:[31]

O Zayd, have you trusted upon the words of the grocers of Kufa and are conveying them to the people? What kind of things are you talking about? The sons of Ali ibn Abi Talib and Fatimah Zahra are worthy and outstanding only when they obey the command of Allah, and keep themselves away from sin and blunder. You think you are like Musa al-Kadhim, Ali ibn Husayn, and other Imams? Whereas, they took pains and bore hardships on the way to Allah and prayed to Allah day and night. Do you think you will gain without pain? Be aware, that if a person out of us the Ahl al-Bayt performs a good deed, he gets twice the reward. Because not only he performed good deeds like others but also that he has maintained the honor of Muhammad. If he practices something bad and does a sin, he has performed two sins. One is that he performed a bad act like the rest of the people and the other one is that he has negated the honor of Muhammad. O brother! The one who obeys Allah is from us the Ahl al-Bayt and the one who is a sinner is not ours. Allah said about the son of Noah who cut the spiritual bondage with his father, "He is not out of your lineage; if he was out of your lineage, I would have (saved) and granted him salvation."[31]


Al-Ma'mun was very interested in working on various sciences translated into Arabic. Thus he arranged debates between the Imam and Muslim scholars and the leaders of religion sects who came in his presence.[10][14] One of the discussions was on Divine Unity with Sulaiman al-Mervi; a scholar from Khorasan, another discussion with Ali ibn Muhammad ibn al-Jahm was devoted to the sinlessness of the Prophets, which led to another debate on the same subject which Ma'mun took a great part in it himself. Many of these debates are recorded in the collections of Shia hadiths, like Oyoun Akhbar Al-Ridha. The following is an example of these debates which took place between the Imam and an unbeliever(Zindīq).[6][10]

(The Imam) said to him (Zindīq), "Dost thou see that if the correct view is your view then are we not equal? All that we have prayed, fasted, given of the alms and declared of our convictions will not harm us. If the correct view is our view then have not you perished and we gained salvation?" the Man said. "Then let me know, how is He and where is He?" Abu-l-Hasan(the Imam)answered, "surely the opinion thou hast adopted is mistaken. He determined the 'where', and He was, when there was no 'where'; and He fashioned the 'how', and He was, when there was no 'how'. So He is not known through 'howness' or 'whereness'" The man said, "So then surely He is nothing if He cannot be perceived by any of the senses." Abu-l-Hasan said, "when our senses fail to perceive Him, we know for certain that He is our Lord …" The man said, "Then tell me, when was He?" Abu-l-Hasan said, "Tell when He was not, and then I will tell you when He was..." The man said, "Then why has He veiled Himself (from men)?" Abu-l-Hasan replied, "Surely the veil is upon creatures because of the abundance of their sins. As for Him, no secret is hidden from Him during the day or the night…"

This is a long debate, entitled, The Veil, full text of which could be found in the A Shiite Anthology translated by William Chittick.[6] According to some accounts, Ma'mun's main objective of holding the meetings was a hope to render the Imam incapable of answering questions in order to undermine his popularity. It is related from al-Nawfali who quoted the Imam as saying

Would you (al-Nawfali) like to know when al-Ma'mūn will feel remorseful? ...When he hears me argue with the people of the Torah quoting their own Torah, with the people of the Gospel quoting their own Gospel, with the people of the Psalms quoting their own Psalms, with the Zoroastrians arguing in their Persian language, with the Romans in their own Latin... then al-Ma'mūn will realize that he will not achieve what he aspires...[17]

A version of the Quran written by Al-Ridha, now in the Qom Museum, Iran


Al-Risalah al-Dhahabiah[edit]

Al-Risalah al-Dhahabiah (The Golden Treatise) is a treatise on medical cures and the maintenance of good health which is said to have been written in accordance with the demand of Ma'mun.[10][32] It is regarded as the most precious Islamic literature in the science of medicine, and was entitled "the golden treatise" as Ma'mun had ordered it to be written in gold ink.[10] It has been explained in this treatise that one's health is threatened when his blood, yellow bile, black bile and phlegm are unbalanced; and that nutrition and traditional medicine may be used to cure imbalances. Among his sayings is, "Do you think that you are a small body, while the greatest world has folded itself in you?"[17] Research in the related documents, historical evidence and present volumes of this treatise indicates that even if a book titled Al-Risalah al-Dhahabiah could be attributed to Al-Ridha, it doesn't constitute that the present versions are that precise book, and it cannot be taken into use as "Sunnah".[33]


The Sahifah is a collection of hadith attributed to Ali al-Ridha which was transmitted by Abdallah ibn Aḥmad ibn Amer, who heard them from his father Aḥmad, who was said to have heard it from Ali al-Ridha in 194 AH (809–10 CE) at Medina.[10] It contains hadiths on various topics like the invocation of Allah, the importance of praying five times a day and of saying the prayer for the dead, the excellence of the Muhammad's household, of the believer, of good manners, and of strengthening the bonds of kinship, and the danger of cheating, of backbiting, and of tattling. It discusses each member of the household.[17]

Uyun al Akhbar ar Reda[edit]

Uyun al Akhbar ar Reda is a book in which is gathered together everything that has been related about Imam from debates on religious questions and the sayings which have been recorded from him, to the explanations of the reason his name was chosen, and traditions concerning his death and the miracles which have occurred at his tomb. It is collected by Ibn Babawayh known as Al-Shaykh al-Saduq.[6]

Feqh al-Reżā[edit]

Feqh al-Reżā (al-Rida's Jurisprudence) Also called al-Fiqh al-Radawi, is also attributed to Imam al-Ridha. It was not known till the 10th/16th century when it was judged to be authentic by Muhammad Baqir Majlisi. However, most of Imami scholars doubted its authenticity.[10]

Connection to Sufism[edit]

It has been commonly held that Maruf Karkhi who was converted to Islam through Ali al-Ridha is one of the foremost figures in the golden chain of most Sufi orders. He was a devoted student of Ali al-Ridha and is an important figure for Sufism and Shi'ism.[34] According to Corbin, although at the end of the Safavid period a Ni'mat Allahi Sufi from India named Ma'sum been sent by his spiritual master, Shaykh Shah 'Ali Rida Dakhani, to Iran and settled with his family at Shiraz, to restore the Ni'mat Allahi order in Iran, however the Sufi order while owes its name to Shah Ni'mat Allah Wali, [a] goes back originally to the Eighth Shia Imam, the Imam 'Ali Rida through Ma'ruf al-Karkhi.[35]

Selected sayings[edit]

  • "Everyone's friend is his reason; his enemy is his ignorance."[17]
  • "Worship is not abundant prayer and fasting; rather it is abundant reflecting on the affair of Allah, the Great and Almighty."[17]
  • "Man is not worshipful unless he is clement."[17]
  • "Faith is a degree above Islam; fear of Allah is a degree above faith; and nothing less than fear of Allah has been divided among men."[17]
  • "Faith is four pillars: trust in Allah, satisfaction with Allah's decree, submission to Allah's command, and entrusting (affairs) to Allah."[17]
  • "If one lacks five attributes, do not expect to gain anything good out of him for your life in this world or your life to come: if his lineage is known to be untrustworthy, if his nature lacks generosity, if his temper lacks balance, if he lacks a noble conduct, and if he lacks fear of his Lord."[17]
  • "If only three years of a person's span of life has remained and he tightens the bond of kin, Allah will make them thirty years, and Allah does whatever He wills."[17]
  • "Imamate is compulsory for religion and it is a system for Muslims. It is cause of benefit in this world and dignity for Believers."[36]
  • "Adhere to the weapon of the prophets!" They asked, "What is the weapon of prophets?" He replied, "Supplication."[17]
  • "A believer's secret supplication is equal to seventy open supplications."[17]


Al-Ma'mun thought he would solve the problems of Shia revolts by naming al-Ridha as his successor. After finally being able to persuade al-Rida to accept this position, al-Ma'mun realized his mistake, for Shia began to gain even more popularity. Moreover, Arab party in Baghdad were furious when they heard that al-Ma'mun not only appointed the imam as his successor, but sent out commands that the Abbasid'd black flag should be changed to green in honor of the Imam. They were afraid that the empire would be taken from them. They got together, therefore, to depose Ma'mun and give allegiance to Ibrahim ibn al-Mahdi, who was the uncle of Ma'mun.[7] When Ma'mun heard this, the Imam advised him to solve the problem by dismissing him from his position but he did not heed and decided to return to Baghdad and assert his rights.[7] However, when they reached the town of Sarakhs, his vizier was assassinated, and when they reached Tus, al-Ma'mūn poisoned the Imam. Then, Muhammad Taqi imam's son came. Al-Ma'mūn ordered that he be buried next to the tomb of his own father, Harun al-Rashid, and showed extreme sorrow in the funeral ritual and stayed for three days at the place. According to Madelung the unexpected death of both the vizier and the successor, "whose presence would have made any reconciliation with the powerful ʿAbbasid opposition in Baghdad virtually impossible, must indeed arouse strong suspicion that Ma'mun had had a hand in the deaths."[10][17] The more popular record about his death is that he died in 203 AH, at the age of 50. The precise day is not agreed upon.[37]

Ritual of reciting the sermon[edit]

The traditional Kutbeh Khani (Sermon reciting) ritual is held on the night of killing of Imam Reza every year. The ritual, based on the order of governor Ali Shah of Khorasan in 1160 AH, involves the shrine's servants walking from the nearest street around the shrine to Inqilab yard with candles in their hands.[38] When they arrive, they stand around the yard and began reciting the sermon, worship Allah and praise Ahl al-Bayt. This ritual is also held on the night of Ashura.[39][40]

Imam Reza shrine[edit]

Today the Imam Reza shrine in Mashhad occupies a total area of 598,657 square metres (147.931 acres) — the shrine area occupies 267,079 square metres (65.997 acres) while the seven courtyards surrounding it cover an area of 331,578 square metres (81.935 acres),[41] together having an area larger than Masjid al-Haram and Masjid al-Nabawi (which have areas of 356,800 square metres (88.2 acres)[42] and 400,500 square metres (99.0 acres) respectively). Based on this, some sources describe it as the largest mosque in the world.[43]

The courtyards also contain a total of 14 minarets,[44] and 3 fountains.[45] From the courtyards, external hallways named after scholars lead to the inner areas of the mosque. They are referred to as Bast (Sanctuary), since they were meant to be a safeguard for the shrine areas.[46]

The Bast hallways lead towards a total of 21 internal halls (Riwaq) surrounding the burial chamber of Ali al-Ridha. Adjacent to the burial chamber is also a mosque dating back to the 10th century known as, Bala-e-Sar mosque.[47]

Narrations of his character[edit]

Al-Dhahabi praised al-Ridha's by saying "He (al-Ridha') is Imam Abu' al-Hasan. He was the master of the Hashemites of his time; he was the most clement and noblest of them. Al-Ma'mun honored him, yielded to him, and magnified him to the extent that he appointed him as his successor."[25]

See also[edit]


  1. ^ The name of Shah Nimatullah Wali is inseparable from the history of Shia Sufism in Iran over the last seven centuries. Amir Nur al-Din Ni'mat Allah was born in 730/1329-1330 to a family of Sayyids who were descended from the Fifth Imam, Muhammad al-Baqir


  1. ^ Shabbar, S.M.R. (1997). Story of the Holy Ka'aba. Muhammadi Trust of Great Britain. Archived from the original on 22 October 2013. Retrieved 28 October 2013.
  2. ^ a b c d A Brief History of The Fourteen Infallibles. Qum: Ansariyan Publications. 2004. p. 137.
  3. ^ al-Qummi, Shaykh Abbas (1998). "2". The Last Journey, Translation of Manazile Akherah. Aejazali Turabhusain Bhujwala. Qum: Imam Ali Foundation. pp. 62–64.
  4. ^ Yāfiʿī, Mirʾāt al-jinān, vol. 2, p. 10.
  5. ^ Chen Guo-gang, The Relationship between the Naqshbandi Order in Central Asia and Khwaja in Xinjiang and Menhuan in Northwest China, Brill, p. 175
  6. ^ a b c d Tabåatabåa'åi, Muhammad Husayn (1981). A Shi'ite Anthology. Selected and with a Foreword by Muhammad Husayn Tabataba'i; Translated with Explanatory Notes by William Chittick; Under the Direction of and with an Introduction by Hossein Nasr. State University of New York Press. pp. 49–50 & 138–139. ISBN 9780585078182.
  7. ^ a b c d e Donaldson, Dwight M. (1933). The Shi'ite Religion: A History of Islam in Persia and Irak. BURLEIGH PRESS. pp. 161–170.
  8. ^ Parto Khorshid, 1392, Vol.1, P.77
  9. ^ "الرضا، امام". Archived from the original on 30 November 2016. Retrieved 29 November 2016.
  10. ^ a b c d e f g h i W. Madelung (1 August 2011). "ALĪ AL-REŻĀ, the eighth Imam of the Imāmī Shiʿites". Archived from the original on 21 September 2012. Retrieved 18 June 2014.
  11. ^ Jaffer, Masuma (2003). Lady Fatima Masuma (a) of Qum (first ed.). Qum: Jami'at al-Zahra – Islamic Seminary for Women. Archived from the original on 19 December 2014. Retrieved 22 September 2014.
  12. ^ Rizvi, Sayyid Saeed Ahktar (1988). Slavery, from Islamic & Christian perspectives (2nd (rev.) ed., 1988. ed.). Richmond, B.C.: Vancouver Islamic Educational Foundation. ISBN 0-920675-07-7.
  13. ^ Imam ar-Ridha', A Historical and Biographical Research, Muhammad Jawed Fadallah, ISBN 1499244088
  14. ^ a b c Tabatabaei, Sayyid Mohammad Hosayn (1975). Shi'ite Islam. Translated by Sayyid Hossein Nasr. State University of New York Press. pp. 68–69&76. ISBN 0-87395-390-8. Archived from the original on 24 September 2015. Retrieved 20 June 2015.
  15. ^ a b Al-Tabrizi, Al-Mirza Jawad. A Concise Treatise of Authentic Traditions Regarding the Right to Divine Leadership (Imamate) of the Twelve Imams (in Persian). The Sun Behind The Clouds Publications. Archived from the original on 30 September 2014. Retrieved 24 September 2014.
  16. ^ Tabasi, Mohammad Mohsen (2007). "Imam Ridha in the narrations of Ahl al-Sunnah". Kowsar Culture (72): 67. Archived from the original on 7 November 2014. Retrieved 24 September 2014.
  17. ^ a b c d e f g h i j k l m n o al-Qarashi, Bāqir Sharif. The life of Imām 'Ali Bin Mūsā al-Ridā. Translated by Jāsim al-Rasheed. Archived from the original on 5 January 2011. Retrieved 22 September 2014.
  18. ^ Al-Kulayni Arazi, Sheikh Abu Jafar Muhammad Ibn Yaqub Ibn Isha. Al Kafi. Archived from the original on 25 September 2014.
  19. ^ Tabarsi, Fazl ibn Hassan. Elam al-Vora Be-A'lam al-Hoda. Vol. 2. p. 50. |volume= has extra text (help)
  20. ^ a b c Al-Qurashi, Baqir Shareef. The Life of Imam 'Ali al-Hadi, Study and Analysis. Abdullah al-Shahin. Qum: Ansariyan Publications. Archived from the original on 6 October 2014. Retrieved 25 September 2014.
  21. ^ Shabbar, S.M.R. Story of the Holy Ka'aba. Muhammadi Trust of Great Britain Category. Archived from the original on 6 October 2014. Retrieved 25 September 2014.
  22. ^ Sykes, Sir Percy (27 September 2013). A History Of Persia. Routledge. pp. 2–. ISBN 978-1-136-52597-1. Archived from the original on 3 April 2016. Retrieved 20 June 2015.
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External links[edit]

Ali al-Ridha
of the Ahl al-Bayt
Clan of the Banu Quraish
Born: 11th Dhul Qi'dah 148 AH 1 January 766 CE Died: 17th/30th Safar 203 AH 6 June 818 CE
Shia Islam titles
Preceded by 8th Imam of Twelver Shi'a Islam
Succeeded by