A History of Magic and Experimental Science, Volume 2 (of 2) / During the First Thirteen Centuries of Our Era

by Lynn Thorndike

Corpus Christi 95, end 12-13th century, fol. 1, Universalis Philosophiae libri tres per modum dialogi inter Normannorum ducem et ipsum doctorem.

Digby 1, 14th century, fol. 1, Dragmaticon.

Digby 107, 14th century, Summa magistri Wilhelmi de Conches super naturalibus questionibus et responsionibus, “Queris venerande dux....” The catalogue incorrectly speaks of it as a dialogue with Henry, duke of Normandy, afterwards Henry II of England.

Bodleian (Bernard) 3565.

Royal 4-A-XIII, #5, Philosophia naturalis, “Queris,” etc.

Royal 12-F-X, 13th century.

Arundel 377, 13th century, fol. 104.

Sloane 2424, 14th century.

Additional 18210, 13-14th century.

Egerton 830, 15th century, Dialogus de philosophia inter Henricum II (sic) Normannorum ducem et ipsum auctorem....