Schmid, Martin 1889-1971; Ribi, Hilde; Hess, Katharina 1935-; Müller, Paul Emanuel 1927-; Walser, Peter 1912-2002; Simonett, Christoph 1906-1981; Fravi, Paul
Bibliothekskatalog der Kantonsbibliothek Graubünden: https://www.opac.gr.ch/discovery/fulldisplay?context=L&vid=41BGR_INST:41BGR_V1&search_scope=MyInstitution&tab=LibraryCatalog&docid=alma990000420840206696