@book{ig00468000, author = {Gregorius IX, Pont. Max. (formerly Ugolino, Count of Segni)}, title = {Decretales cum glossa. Comm: Bernardus Parmensis}, year = {28 May 1492}, note = {}, publisher = {Peter Drach}, address = {Speyer}, annote = { This record was exported from the Incunabula Short Title Catalogue (ISTC): http://data.cerl.org/istc/ig00468000} }