Justinian I, Emperor of the East, 483?-565, “Institutiones [folia 41 a-d],” Digital Collections, accessed December 5, 2025, https://digitalcollections.library.gvsu.edu/document/40235.
Four leaves of Institutiones (with the Glossa ordinaria of Accursius and Summaria of Hieronymus Clarius) by Justinianus. Printed in Venice by Johannes Hamman, for Octavianus Scotus, in 1494. Illustrated with red rubricated initials. [GW 7635; ISTC ij00536000]