GREGORY IX (Pope). Decretalis [ed. Petrus Albinianus Trecius], Cologne, Johannes de Colonia de Manthen, 31 March 1479, 2°, gothic type, double column and surrounding commentary, headings printed in red (clean tear to a2, some waterstains at margins), contemporary blind-stamped pigskin, covers with repeated small tools of acorns, eagles, dragons and other beasts within lozenges, spine in 5 compartments with raised bands (spine worn at base, clasps and bosses lacking). [BMC V 234; Hain 8008; not in Goff]