@book{ib01180000, author = {}, title = {Breviarium Sedunense (Sitten [Sion], Switzerland). Commissioned by Walther Supersax, bishop of Sitten}, year = {not before 1482]}, note = {}, publisher = {Printer of the Breviarium Sedunense, GW 5459 (Henricus Wirtzburg?)}, address = {[Chambéry}, annote = { This record was exported from the Incunabula Short Title Catalogue (ISTC): http://data.cerl.org/istc/ib01180000} }