had been rebuilt. A was written in Fulda in the ninth century, possibly by Candidus of Fulda, but is now lost. The next , chronologically, is the , 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 likewise originates in Utrecht. It is dated between 917 (Radboud's death) and 1075, the year Adam of Bremen wrote his , which used the . A later , written by Otloh of St. Emmeram (1062–1066), is based on Willibald's and a number of other as well as the correspondence, and also includes information from local traditions. Correspondence 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 of Boniface in the eleventh century, is credited with compiling the complete correspondence as we have it. Much of this correspondence comprises the first part of the Vienna Boniface Codex, also known as . The correspondence was edited and published already in the seventeenth century, by Nicolaus Serarius. Stephan Alexander Würdtwein's 1789 edition, , was the basis for a number of (partial) translations in the nineteenth century. The first version to be published by (MGH) was the edition by Ernst Dümmler (1892); the most authoritative version until today is Michael Tangl's 1912 , 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