@book{ij00448000, author = {Johannes de Verdena}, title = {Sermones "Dormi secure" de tempore}, year = {about 1480]}, note = {}, publisher = {Johann Zainer}, address = {[Ulm}, annote = { This record was exported from the Incunabula Short Title Catalogue (ISTC): http://data.cerl.org/istc/ij00448000} }