Saint Boniface by Cornelis Bloemaert, c. 1630
|Bishop and Martyr|
|Died||5 June 754
|Honored in||Roman Catholic Church,
Eastern Orthodox Church,
|Major shrine||Fulda Cathedral|
|Attributes||axe; book; oak; scourge; sword|
|Patronage||brewers; Fulda; Germany; World Youth Day|
Saint Boniface (Latin: Bonifatius) (c. 675? – 5 June 754), born Winfrid, Wynfrith, or Wynfryth in the kingdom of Wessex, probably at Crediton, was an Anglo-Saxon missionary who propagated Christianity in the Frankish Empire during the 8th century. He is the patron saint of Germany, the first archbishop of Mainz and the "Apostle of the Germans". He was killed in Frisia in 754, along with 52 others. His remains were returned to Fulda, where they rest in a sarcophagus which became a site of pilgrimage. Facts about Boniface's life and death as well as his work became widely known, since there is a wealth of material available—a number of vitae, especially the near-contemporary Vita Bonifatii auctore Willibaldi, and legal documents, possibly some sermons, and above all his correspondence.
Norman F. Cantor notes the three roles Boniface played that made him "one of the truly outstanding creators of the first Europe, as the apostle of Germany, the reformer of the Frankish church, and the chief fomentor of the alliance between the papacy and the Carolingian family." Through his efforts to reorganize and regulate the church of the Franks, he helped shape Western Christianity, and many of the dioceses he proposed remain until today. After his martyrdom, he was quickly hailed as a saint in Fulda and other areas in Germany and in England. His cult is still notably strong today. Boniface is celebrated (and criticized) as a missionary; he is regarded as a unifier of Europe, and he is seen (mainly by Catholics) as a German national figure.
- 1 Early life and first mission to Frisia
- 2 Early missionary work in Frisia and Germania
- 3 Boniface and the Carolingians
- 4 Last mission to Frisia
- 5 Memorials
- 6 Legends
- 7 Sources and writings
- 8 Anniversary and other celebrations
- 9 Scholarship on Boniface
- 10 See also
- 11 References
- 12 External links
Early life and first mission to Frisia
The earliest Bonifacian vita does not mention his place of birth but says that at an early age he attended a monastery ruled by abbot Wulfhard in escancastre, or Examchester, which seems to denote Exeter, and may have been one of many monasteriola built by local landowners and churchmen; nothing else is known of it outside the Bonifacian "vitae". Later tradition places his birth at Crediton, but the earliest mention of Crediton in connection to Boniface is from the early fourteenth century, in John Grandisson's Legenda Sanctorum: The Proper Lessons for Saints' Days according to the use of Exeter.
According to the vitae, Winfrid was of a respected and prosperous family. Against his father's wishes he devoted himself at an early age to the monastic life. He received further theological training in the Benedictine monastery and minster of Nhutscelle (Nursling), not far from Winchester, which under the direction of abbot Winbert had grown into an industrious centre of learning in the tradition of Aldhelm. Winfrid taught in the abbey school and at the age of 30 became a priest; in this time, he wrote a Latin grammar, the Ars Grammatica, besides a treatise on verse and some Aldhelm-inspired riddles. While little is known about Nursling outside of Boniface's vitae, it seems clear that the library there was significant. In order to supply Boniface with the materials he needed, it would have contained works by Donatus, Priscian, Isidore, and many others. Around 716, when his abbot Wynberth of Nursling died, he was invited (or expected) to assume his position—it is possible that they were related, and the practice of hereditary right in early Anglo-Saxon would affirm this. Winfrid, however, declined the position and in 716 set out on a missionary expedition to Frisia.
Early missionary work in Frisia and Germania
Boniface first left for the continent in 716. He traveled to Utrecht, where Willibrord, the "Apostle of the Frisians," had been working since the 690s. He spent a year with Willibrord, preaching in the countryside, but their efforts were frustrated by the war then being carried on between Charles Martel and Radbod, king of the Frisians. Willibrord fled to the abbey he had founded in Echternach (in modern-day Luxembourg) while Boniface returned to Nursling.
Boniface returned to the continent the next year, and this time went straight to Rome, where Pope Gregory II renamed him "Boniface", after the (legendary) fourth-century martyr Boniface of Tarsus, and appointed him missionary bishop for Germania—he became a bishop without a diocese for an area that lacked any church organization. He would never return to England, though he remained in correspondence with his countrymen and kinfolk throughout his life.
According to the vitae Boniface felled the Donar Oak, Latinized by Willibald as "Jupiter's oak," near the present-day town of Fritzlar in northern Hesse. According to his early biographer Willibald, Boniface started to chop the oak down, when suddenly a great wind, as if by miracle, blew the ancient oak over. When the god did not strike him down, the people were amazed and converted to Christianity. He built a chapel dedicated to Saint Peter from its wood at the site—the chapel was the beginning of the monastery in Fritzlar. This account from the vita is stylized to portray Boniface as a singular character who alone acts to root out paganism. Lutz von Padberg and others point out that what the vitae leave out is that the action was most likely well-prepared and widely publicized in advance for maximum effect, and that Boniface had little reason to fear for his personal safety since the Frankish fortified settlement of Büraburg was nearby. According to Willibald, Boniface later had a church with an attached monastery built in Fritzlar, on the site of the previously built chapel, according to tradition.
Boniface and the Carolingians
The support of the Frankish mayors of the palace (maior domos), and later the early Pippinid and Carolingian rulers, was essential for Boniface's work. Boniface had been under the protection of Charles Martel from 723 on. The Christian Frankish leaders desired to defeat their rival power, the non-Christian Saxons, and to incorporate the Saxon lands into their own growing empire. Boniface's destruction of indigenous Germanic pagan sites may have benefited the Franks in their campaign against the Saxons.
In 732, Boniface traveled again to Rome to report, and Pope Gregory III conferred upon him the pallium as archbishop with jurisdiction over Germany. Boniface again set out for what is now Germany, baptized thousands, and dealt with the problems of many other Christians who had fallen out of contact with the regular hierarchy of the Roman Catholic Church. During his third visit to Rome in 737–38, he was made papal legate for Germany.
After Boniface's third trip to Rome, Charles Martel erected four dioceses in Bavaria (Salzburg, Regensburg, Freising, and Passau) and gave them to Boniface as archbishop and metropolitan over all Germany east of the Rhine. In 745, he was granted Mainz as metropolitan see. In 742, one of his disciples, Sturm (also known as Sturmi, or Sturmius), founded the abbey of Fulda not far from Boniface's earlier missionary outpost at Fritzlar. Although Sturm was the founding abbot of Fulda, Boniface was very involved in the foundation. The initial grant for the abbey was signed by Carloman, the son of Charles Martel, and a supporter of Boniface's reform efforts in the Frankish church. The saint himself explained to his old friend, Daniel of Winchester, that without the protection of Charles Martel he could "neither administer his church, defend his clergy, nor prevent idolatry."
According to German historian Gunther Wolf, the high point of Boniface's career was the Concilium Germanicum, organized by Carloman in an unknown location in April 743. While Boniface was not able to safeguard the church from property seizures by the local nobility, he did achieve one goal, the adoption of stricter guidelines for the Frankish clergy, which often hailed directly from the nobility. After Carloman's resignation in 747 he maintained a sometimes turbulent relationship with the king of the Franks, Pepin; the claim that he would have crowned Pepin at Soissons in 751 is now generally discredited.
Boniface balanced this support and attempted to maintain some independence, however, by attaining the support of the papacy and of the Agilolfing rulers of Bavaria. In Frankish, Hessian, and Thuringian territory, he established the dioceses of Würzburg, and Erfurt. By appointing his own followers as bishops, he was able to retain some independence from the Carolingians, who most likely were content to give him leeway as long as Christianity was imposed on the Saxons and other Germanic tribes.
Last mission to Frisia
According to the "vitae", Boniface had never relinquished his hope of converting the Frisians, and in 754 he set out with a retinue for Frisia. He baptized a great number and summoned a general meeting for confirmation at a place not far from Dokkum, between Franeker and Groningen. Instead of his converts, however, a group of armed inhabitants appeared who slew the aged archbishop. The vitae mention that Boniface persuaded his (armed) comrades to lay down their arms: "Cease fighting. Lay down your arms, for we are told in Scripture not to render evil for good but to overcome evil by good."
Having killed Boniface and his company, the Frisian bandits ransacked their possessions and got drunk on the wine remaining among the provisions, and then started killing each other, arguing over the division of the booty. The surviving "freebooters" found that the company's luggage did not contain the riches they had hoped for: "they broke open the chests containing the books and found, to their dismay, that they held manuscripts instead of gold vessels, pages of sacred texts instead of silver plates." They attempted to destroy these books, the earliest vita already says, and this account underlies the status of the Ragyndrudis Codex, now held as a Bonifacian relic in Fulda, and supposedly one of three books found on the field by the Christians who inspected it afterward. Of those three books, the Ragyndrudis Codex shows incisions that could have been made by sword or axe; its story appears confirmed in the Utrecht hagiography, the Vita altera, which reports that an eye-witness saw that the saint at the moment of death held up a gospel as spiritual protection. The story was later repeated by Otloh's vita; at that time, the Ragyndrudis Codex seems to have been firmly connected to the martyrdom.
His remains were eventually buried in the abbey of Fulda after resting for some time in Utrecht, and they are entombed within a shrine beneath the high altar of Fulda Cathedral, previously the abbey church.
The UK National Shrine is located at the Catholic church at Crediton, Devon, which has a bas-relief of the felling of Thor's Oak, by sculptor Kenneth Carter. The sculpture was unveiled by Princess Margaret in his native Crediton, located in Newcombes Meadow Park. There is also a series of paintings there by Timothy Moore. There are quite a few churches dedicated to St. Boniface in the United Kingdom: Bunbury, Cheshire; Chandler's Ford and Southampton Hampshire; Adler Street, London; Papa Westray, Orkney; St Budeaux, Plymouth (now demolished); Bonchurch, Isle of Wight; Cullompton, Devon.
In 1818, Father Norbert Provencher founded a mission on the east bank of the Red River in what was then Rupert's Land, building a log church and naming it after St. Boniface. The log church was consecrated as Saint Boniface Cathedral after Provencher was himself consecrated as a bishop and the diocese was formed. The community that grew around the cathedral eventually became the city of St. Boniface, which merged into the city of Winnipeg in 1971.
Some traditions credit Saint Boniface with the invention of the Christmas tree. The vitae mention nothing of the sort. However, it is mentioned on a BBC-Devon website, in an account which places Geismar in Bavaria, and in a number of educational books, including St. Boniface and the Little Fir Tree, The Brightest Star of All: Christmas Stories for the Family, The American normal readers. and a short story by Henry van Dyke, "The First Christmas Tree."
Sources and writings
The earliest "Life" of Boniface was written by a certain Willibald, an Anglo-Saxon priest who came to Mainz after Boniface's death, around 765. Willibald's biography was widely dispersed; Levison lists some forty manuscripts. According to his lemma, a group of four manuscripts including Codex Monacensis 1086 are copies directly from the original.
Listed second in Levison's edition is the entry from a late ninth-century Fulda document: Boniface's status as a martyr is attested by his inclusion in the Fulda Martyrology which also lists, for instance, the date (1 November) of his translation in 819, when the Fulda Cathedral had been rebuilt.
The next vita, chronologically, is the Vita altera Bonifatii auctore Radbodo, which originates in the Bishopric of Utrecht, and was probably revised by Radboud of Utrecht (899-917). Mainly agreeing with Willibald, it adds an eye-witness who presumably saw the martyrdom at Dokkum. The Vita tertia Bonifatii likewise originates in Utrecht. It is dated between 917 (Radboud's death) and 1075, the year Adam of Bremen wrote his Gesta Hammaburgensis ecclesiae pontificum, which used the Vita tertia.
A later vita, written by Otloh of St. Emmeram (1062–1066), is based on Willibald's and a number of other vitae as well as the correspondence, and also includes information from local traditions.
Boniface engaged in regular correspondence with fellow churchmen all over Western Europe, including the three popes he worked with, and with some of his kinsmen back in England. Many of these letters contain questions about church reform and liturgical or doctrinal matters. In most cases, what remains is one half of the conversation, either the question or the answer. The correspondence as a whole gives evidence of Boniface's widespread connections; some of the letters also prove an intimate relationship especially with female correspondents.
There are 150 letters in what is generally called the Bonifatian correspondence, though not all them are by Boniface or addressed to him. They were assembled by order of archbishop Lullus, Boniface's successor in Mainz, and were initially organized into two parts, a section containing the papal correspondence and another with his private letters. They were reorganized in the eighth century, in a roughly chronological ordering. Otloh of St. Emmeram, who worked on a new vita of Boniface in the eleventh century, is credited with compiling the complete correspondence as we have it.
The correspondence was edited and published already in the seventeenth century, by Nicolaus Serarius. Stephan Alexander Würdtwein's 1789 edition, Epistolae S. Bonifacii Archiepiscopi Magontini, was the basis for a number of (partial) translations in the nineteenth century. The first version to be published by Monumenta Germaniae Historica (MGH) was the edition by Ernst Dümmler (1892); the most authoritative version until today is Michael Tangl's 1912 Die Briefe des Heiligen Bonifatius, Nach der Ausgabe in den Monumenta Germaniae Historica, published by MGH in 1916. This edition is the basis of Ephraim Emerton's selection and translation in English, The Letters of Saint Boniface, first published in New York in 1940; it was republished most recently with a new introduction by Thomas F.X. Noble in 2000.
Some fifteen preserved sermons are traditionally associated with Boniface, but that they were actually his is not generally accepted.
Grammar and poetry
Early in his career, before he left for the continent, Boniface wrote an Ars Grammatica, a grammatical treatise presumably for his students in Nursling. Helmut Gneuss reports that one manuscript copy of the treatise originates from (the south of) England, mid-eighth century; it is now held in Marburg, in the Hessisches Staatsarchiv. He also wrote a treatise on verse, the Caesurae uersuum, and a collection of riddles, the Enigmata, influenced greatly by Aldhelm and containing many references to works of Vergil (the Aeneid, the Georgics, and the Eclogues).
Anniversary and other celebrations
Boniface's death (and birth) has given rise to a number of noteworthy celebrations. The dates for some of these celebrations have undergone some changes: in 1805, 1855, and 1905 (and in England in 1955) anniversaries were calculated with Boniface's death dated in 755, the "Mainz tradition"; Michael Tangl's dating of the martyrdom in 754 was not accepted until after 1955. Celebrations in Germany centered on Fulda and Mainz, in the Netherlands on Dokkum and Utrecht, and in England on Crediton and Exeter.
Celebrations in Germany: 1805, 1855, 1905
The first German celebration on a fairly large scale was held in 1805 (the 1150th anniversary of his death), followed by a similar celebration in a number of towns in 1855; both of these were predominantly Catholic affairs, which emphasized the role of Boniface in German history as opposed to Protestant views on the role of Martin Luther, and especially the 1855 celebrations were an expression of German Catholic nationalism. In 1905, when strife between Catholic and Protestant factions had eased (one Protestant church published a celebratory pamphlet, Gerhard Ficker's Bonifatius, der "Apostel der Deutschen"), there were modest celebrations and a publication for the occasion on historical aspects of Boniface and his work, the 1905 Festgabe by Gregor Richter and Carl Scherer. In all, the content of these early celebrations showed evidence of the continuing question about the meaning of Boniface for Germany, though the importance of Boniface in cities associated with him was without question.
In 1954, celebrations were widespread, in England, Germany, and the Netherlands, and a number of these celebrations were international affairs. Especially in Germany, these celebrations had a distinctly political note to them and often stressed Boniface as a kind of founder of Europe, such as when Konrad Adenauer, the (Catholic) German chancellor, addressed a crowd of 60,000 in Fulda, celebrating the feast day of the saint in a European context: "Das, was wir in Europa gemeinsam haben, [ist] gemeinsamen Ursprungs" ("What we have in common in Europe comes from the same source").
Papal visit, 1980
When Pope John Paul II visited Germany in November 1980, he spent two days in Fulda (17 and 18 November). He celebrated mass in Fulda Cathedral with 30,000 gathered on the square in front of the building, and met with the German Bishops' Conference (held in Fulda since 1867). The pope next celebrated mass outside the cathedral, in front of an estimated crowd of 100,000, and hailed the importance of Boniface for German Christianity: "Der heilige Bonifatius, Bischof und Märtyrer, bedeutet den 'Anfang' des Evangeliums und der Kirche in Eurem Land" ("The holy Boniface, bishop and martyr, signifies the beginning of the gospel and the church in your country"). A photograph of the pope praying at Boniface's grave became the centerpiece of a prayer card distributed from the cathedral.
In 2004, anniversary celebrations were held throughout Northwesternand Utrecht, and Fulda and Mainz—generating a great amount of academic and popular interest. The event occasioned a number of scholarly studies, esp. biographies (for instance, by Auke Jelsma in Dutch, Lutz von Padberg in German, and Klaas Bruinsma in Frisian), and a fictional completion of the Boniface correspondence (Lutterbach, Mit Axt und Evangelium). A German musical proved a great commercial success, and in the Netherlands an opera was staged.
Scholarship on Boniface
The literature on the saint and his work is extensive. At the time of the various anniversaries, edited collections were published containing essays by some of the best-known scholars of the time, such as the 1954 collection Sankt Bonifatius: Gedenkgabe zum Zwölfhundertsten Todestag and the 2004 collection Bonifatius--Vom Angelsäschsischen Missionar zum Apostel der Deutschen. In the modern era, Lutz von Padberg published a number of biographies and articles on the saint focusing on his missionary praxis and his relics. The most authoritative biography is still Theodor Schieffer's Winfrid-Bonifatius und die Christliche Grundlegung Europas.
- Cantor 167-68.
- Van der Goot 1-2, 17.
- Levison 6.
- Talbot 28.
- Schieffer 76-77; 103-105.
- Levison xxix.
- Levison 9.
- Schieffer 105-106.
- Gneuss 38.
- Gneuss 37-40.
- Levison 31-32.
- von Padberg 40-41>
- Levison 35.
- Rau 494 n.10.
- Wolf 2-5.
- Wolf 5.
- Talbot 56.
- Talbot 57.
- Schieffer 272-73.
- "Devon Myths and Legends."
- Melmoth, Jenny and Val Hayward (1999). St. Boniface and the Little Fir Tree: A Story to Color. Warrington: Alfresco Books. ISBN 1-873727-15-1.
- Papa, Carrie (2008). The Brightest Star of All: Christmas Stories for the Family. Abingdon Press. ISBN 978-0-687-64813-9.
- Harvey, May Louise (1912). The American normal readers: fifth book: "How Saint Boniface Kept Christmas Eve." 207-22. Silver, Burdett and Co.
- Dyke, Henry van. "The First Christmas Tree". Retrieved 30 December 2011.
- This is not the Willibald who was appointed by Boniface as Bishop of Eichstatt: "The writer of the Life was a simple priest who had never come into direct contact with Boniface and what he says is based upon the facts that he was able to collect from those who had been Boniface's disciples." Talbot 24.
- Levison xvii-xxvi.
- Levison xxxviii.
- Levison xlvii.
- Levison lvi-lviii.
- Noble xxxiv-xxxv.
- Noble xxxiv-xxxv.
- Epistolae s. Bonifacii martyris, primi moguntini archiepiscopi, published in 1605 in Mainz and republished in 1625, and again in 1639, Paris.
- Noble xxxiv-xxxv.
- Gneuss 130, item 849.
- Lapidge 38.
- Nichtweiß 283-88.
- Pralle 59.
- Grave 134.
- Henk Alkema (music) and Peter te Nuyl (libretto). Bonifacius. Leewarden, 2004.
- Ed. Cuno Raabe et al., Fulda: Parzeller, 1954.
- Eds. Michael Imhof and Gregor Stasch, Petersberg: Michael Imhof, 2004.
- Lehmann 193: "In dem auch heute noch als Standardwerk anerkannten Buch Winfrid-Bonifatius und die christlichen Grundlegung Europas von Theodor Schieffer..."
- Aaij, Michel (June 2005). "Continental Business: Boniface biographies". The Heroic Age 8. Retrieved 20 May 2010.
- Cantor, Norman F. (1994). The civilization of the Middle Ages: a completely revised and expanded edition of Medieval history, the life and death of a civilization. HarperCollins. ISBN 978-0-06-092553-6.
- "Devon Myths and Legends". BBC. 18 December 2007. Retrieved 14 December 2010.
- Ficker, Gerhard (1905). Bonifatius, der "Apostel der Deutschen": Ein Gedenkblatt zum Jubiläumsjahr 1905. Leipzig: Evangelischen Bundes.
- Van der Goot, Annelies (2005). De moord op Bonifatius: Het spoor terug. Amsterdam: Rubinstein. ISBN 90-5444-877-6.
- Gneuss, Helmut (2001). Handlist of Anglo-Saxon Manuscripts: A List of Manuscripts and Manuscript Fragments Written or Owned in England up to 1100. Medieval and Renaissance Texts and Studies 241. Tempe: Arizona Center for Medieval and Renaissance Studies.
- Grave, Werner (1980). "Gemeinsam Zeugnis geben": Johannes Paul II. in Deutschland. Butzon & Bercker. p. 134. ISBN 3-7666-9144-9.
- Haarländer, Stephanie (2007). "Welcher Bonifatius soll es sein? Bemerkungen zu den Vitae Bonifatii". In Franz J. Felten, Jörg Jarnut, Lutz von Padberg. Bonifatius--Leben und Nachwirken. Selbstverlag der Gesellschaft für mittelrheinische Kirchengeschichte. pp. 353–61. ISBN 978-3-929135-56-5.
- Hartl, Iris (26 March 2009). "Bestätigt: Bonifatius kommt wieder". Fuldaer Zeitung. Retrieved 20 May 2010.
- Lehmann, Karl (2007). "'Geht hinaus in alle Welt...': Zum historischen Erbe und zur Gegenwartsbedeutung des hl. Bonifatius". In Franz J. Felten, Jörg Jarnut, Lutz E. von Padberg. Bonifatius: Leben und Nachwirken. Gesellschaft für mittelrheinische Kirchengeschichte. pp. 193–210. ISBN 978-3-929135-56-5.
- Levison, Wilhelm (1905). Vitae Sancti Bonifati Archiepiscopi Moguntini. Hahn. Retrieved 25 August 2010.
- Mostert, Marco. 754: Bonifatius bij Dokkum Vermoord. Hilversum: Verloren, 1999.
- Nichtweiß, Barbara (2005). "Zur Bonifatius-Verehrung in Mainz im 19. und 20. Jahrhundert". In Barbara Nichtweiß. Bonifatius in Mainz: Neues Jahrbuch für das Bistum Mainz, Beiträge zur Zeit- und Kulturgeschichte der Diozöse Jg. 2005. Mainz: Philipp von Zabern. pp. 277–92. ISBN 3-934450-18-0.
- Noble, Thomas F.X.; Ephraim Emerton (2000). The Letters of Saint Boniface. Columbia UP. ISBN 978-0-231-12093-7. Retrieved 15 December 2010.
- Orme, Nicholas (1980). "The Church in Crediton from Saint Boniface to the Reformation". In Timothy Reuter. The Greatest Englishman: Essays on Boniface and the Church at Crediton. Paternoster. pp. 97–131. ISBN 978-0-85364-277-0.
- Padberg, Lutz E. von (2003). Bonifatius: Missionar und Reformer. Beck. ISBN 978-3-406-48019-5.
- Richter, Gregor; Carl Scherer (1905). Festgabe zum Bonifatius-Jubiläum 1905. Fulda: Actiendruckerei.
- "St. Boniface", entry from online version of the Catholic Encyclopedia, 1913 edition.
- Pralle, Ludwig (1954). Gaude Fulda! Das Bonifatiusjahr 1954. Parzeller.
- Rau, Reinhold (1968). Briefe des Bonifatius; Willibalds Leben des Bonifatius. Ausgewählte quellen zur deutschen Geschichte des Mittelalters IVb. Darmstadt: Wissenschaftliche Buchgesellschaft.
- Schieffer, Theodor (1954, 1972). Winfrid-Bonifatius und die christliche Grundlegung Europas. Wissenschaftliche Buchgesellschaft. ISBN 3-534-06065-2.
- Talbot, C. H., ed. The Anglo-Saxon Missionaries in Germany: Being the Lives of S.S. Willibrord, Boniface, Strum, Leoba and Lebuin, together with the Hodoeporicon of St. Willibald and a Selection from the Correspondence of St. Boniface. New York: Sheed and Ward, 1954.
- The Bonifacian vita was republished in Noble, Thomas F. X. and Thomas Head, eds. Soldiers of Christ: Saints and Saints’ Lives in Late Antiquity and the Early Middle Ages. University Park: Pennsylvania State UP, 1995. 109-40.
- Tangl, Michael (1903). "Zum Todesjahr des hl. Bonifatius". Zeitschrift des Vereins für Hessische Geschichte und Landeskunde 37: 223–50.
- Wolf, Gunther G. (1999). "Die Peripetie in des Bonifatius Wirksamkeit und die Resignation Karlmanns d.Ä.". Archiv für Diplomatik 45: 1–5.
- Yorke, Barbara (2007). "The Insular Background to Boniface's Continental Career". In Franz J. Felten, Jörg Jarnut, Lutz von Padberg. Bonifatius--Leben und Nachwirken. Selbstverlag der Gesellschaft für mittelrheinische Kirchengeschichte. pp. 23–37. ISBN 978-3-929135-56-5.
- "St. Boniface, Archbishop of Mentz, Apostle of Germany and Martyr", Butler's Lives of the Saints
- Wilhelm Levison, Vitae Sancti Bonifatii
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