Bayerische Staatsbibliothek - full text - vol. I - http://www.mdz-nbn-resolving.de/urn/resolver.pl?urn=urn:nbn:de:bvb:12-bsb10929292-8
Bayerische Staatsbibliothek - full text - vol. II - http://www.mdz-nbn-resolving.de/urn/resolver.pl?urn=urn:nbn:de:bvb:12-bsb10929293-4