Note 337 — Chapter III

Brunet, Supplément au Manuel du Libraire. It was not known till lately that more than one edition out of these four was in existence, Santander thinks their publication was after 1460. Dict. Bibliographique du 15me Siècle, i. 92. But this seems improbable, from the transitory character of the subject. He argues from a resemblance in the letters to those used by Fust and Schæffer in the Durandi Rationale of 1459.