Incunables identified

Written by Erika Delbecque, UMASCS Librarian

Last month we wrote about the process of identifying loose leaves from incunables, books printed in Europe before 1501. We also asked for your help in identifying the remaining four leaves. With help from Geert Lernout and the team behind the Gesamtkatalog der Wiegendrucke, all leaves have now been identified!

The leaf below was identified as part of Jacobus Magni’s Sophologium, printed by Adolf Rusch around 1470. It is a popular anthology of extracts from ancient and medieval writers including Muhammad Abu Mashar (Persian astrologer), Seneca, and Chaucer. Adolf Rusch (1435-1489) was a printer and paper merchant based in Strasbourg. He was one of the first printers north of the Alps to start using roman instead of Gothic type. Because he did not include his name in the books he printed, he was initially known only as the “R-printer”,  referring to a special Roman type capital “R” he uses in his early works. An example of this letter is included on our leaf. Some have argued that it is in fact a monogram derived from his initials, A.R.

Unidentified edition of Summa de exemplis by Giovanni da San Gimignano. May be early 16th century

Magni, Jacobus. Sophologium. Strassburg: The ‘R-printer’ (Adolf Rusch), about 1470.

The  striking capital R used by Adolf Rusch

The striking capital R used by Adolf Rusch

A complete copy of this publication can be browsed online here.

The other unidentified fragments were identified as a leaf from Casus longi Sexti et Clementinarum by Élie Regnier (Strasburg, 1496), a leaf from Agenda sive Benedictionale (Basel, 1518) and a leaf from Postilla super totam Bibliam by Nicolaus de Lyra (Rome, 1471-72).

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