shelfmark: QB144 .S643 1485 Copy 2

Sacrobosco, Noviciis adolescentibus, 1485 ([1]1r)

As title pages developed in form sometimes blank leaves or pages preceded them. In this case, as you can see from the bleed-through, a woodcut on the verso of the first leaf faces the inicipt and text on the second leaf.

Sacrobosco, Noviciis adolescentibus, 1485 ([1]1v)

This woodcut---one of the standard ones accompanying Sacrobosco's astronomical textbook---is in this edition facing the beginning of the text and the incipit.

Sacrobosco, Noviciis adolescentibus, 1485 ([1]2r)

Sacrobosco's works were some of the most influential astronomical texts of the middle ages. It was frequently collected with works from Regiomantus and Peurbach as a textbook on the subject. The incipit (even though it's not preceded by the phrase) provides the title under which this collection is cataloged, rather than the more commonly used De sphaera mundi.