Two separate incunable books in one physical volume. First work: Liber sextus Decretalium / Boniface VIII. (Venice : Nicolaus Jenson, 1476. 146 unnumbered leaves. Printed in red and black. With the glossa of Joannes Andreae. Edited by Alexander de Nevo. Initials and paragraph marks supplied in red or blue.) Second work: Constitutiones (cum apparatu Joannis Andreae) (with XX Extravagantes) / Clement V. (Venice : Nicolaus Jenson, 1476.)