@book{ip00121400, author = {}, title = {Partes orationis}, year = {about 1490]}, note = {GW dates about 1490.}, publisher = {Johann Petri}, address = {[Passau}, annote = { This record was exported from the Incunabula Short Title Catalogue (ISTC): http://data.cerl.org/istc/ip00121400} }