http://books.google.ch/books?id=1sg7AAAAcAAJ&dq Online-Zugriff (Digitalisat von Google Books)
Reference code / Identification number
KBG Bb 109
Source
Bibliothekskatalog der Kantonsbibliothek Graubünden: https://www.opac.gr.ch/discovery/fulldisplay?context=L&vid=41BGR_INST:41BGR_V1&search_scope=MyInstitution&tab=LibraryCatalog&docid=alma990001859260206696