and Corsiniana (Cor.). Magliabecchiana (Magl.) Of the three, the Magliabecchiana has received the most thorough attention. The first edited version by Canon Domenico Moreni was published in 1812 and attributed the work to an anonymous contemporary of Brunelleschi. The year 1887 brought the publication of three new publications of the work. The first, and simultaneously best known edition, was edited by Gaetano Milanesi who attributed the handwriting to Manetti. Milanesi also contemporized the orthography in his edition which has led to critique of his work. Another edition of the Maggliabecchiana was edited by Carl Frey in 1887 and was intended to be used in lectures. In comparison with other editions, this has been called the closest translation of the original document. Frey mentions that Milanesi attributed the authorship of the document to Manetti, however he remains critical of the truth of this statement. The third publication was an edited version of Moreni's translation by Heinrich Holtzinger which attributes the work to Manetti, citing Milanesi as his source. Holtzinger states as the reason for this re-publication the rarity of Moreni's version in German bookstores. Holtzinger also states that his version was first created without access to the original document and only in the late stages was it possible to compare his version with the document and refer to deviations in his appendix. Pistoiese (Pist.) This text was discovered and edited by Alessandro Chiappelli. The publication in 1896 provided additional information regarding some of Brunnelleschi's work, however, Chiappelli has been criticized for working not with the original Magliabecchiana but with Milanesi's publication for the first part of his work. Elena Toesca published another edition in 1927, using both a re-edited version of Milanesi's edition and copying Chiappelli's work. This version of the manuscript leaves out the first part of the Vita and continues where the Magl. abruptly stops. Corsiniana (Cor.) This manuscript has not been published and is not well known. Although it shares its first and last sentence with the Pistoiese manuscript, it is written in different handwritings and thus can not be attributed to one author. Authorship and date Although the authorship and the dating of the documents has been subject to scholarly debate, most agree that the document was written by Antonio Manetti before 1497. Cornel von Fabriczy has attempted a more accurate dating than the death of Manetti and set the work in the 1480s. He presents as