@book{ia00441800, author = {Alexander de Villa Dei}, title = {Doctrinale (Pars I) (Comm: Gerardus Zutphaniensis)}, year = {3 Nov. 1491}, note = {}, publisher = {Ulrich Zel}, address = {Cologne}, annote = { This record was exported from the Incunabula Short Title Catalogue (ISTC): http://data.cerl.org/istc/ia00441800} }