Source
06420. JUSTINIAN I, Emperor (483–565 CE). Novellae constitutiones and Codicis libri X-XII, with the Glossa ordinaria by Accursius Florentinus (1184-1263); with: Obertus de Horto (fl. 12th century). Libri feudorum, with gloss by Jacobus Columbi (fl. 13th century). Printed on vellum. Mainz: Peter Schoeffer, 21 August 1477.