Ausbund etlicher schöner Christl. Geseng, 1583; source: Bayrische Staatsbibliothek, signature: 817710 Res/P.o.germ. 59 m, http://www.mdz-nbn-resolving.de/urn/resolver.pl?urn=urn:nbn:de:bvb:12-bsb10207712-6, Out of copyright - Non commercial re-use.