To the happy few Lehr- und Wanderjahre in Zürich, Berlin, New York and Paris and always back and forth to Graubünden photogr. of the nineties by Dino Simonett
Bibliothekskatalog der Kantonsbibliothek Graubünden: https://www.opac.gr.ch/discovery/fulldisplay?context=L&vid=41BGR_INST:41BGR_V1&search_scope=MyInstitution&tab=LibraryCatalog&docid=alma990003018560206696