The Archives Portal Europe provides access to information on archival material from the following Swiss archives via its website and API as well as information on archival institutions throughout the continent:
Schweizerisches Bundesarchiv (CH-BAR), Gesamtbestand des schweizerischen Bundesarchivs (1798-); Stadtarchiv Chur; Comité international de la Croix-Rouge Genève; Hochschularchiv der ETH Zürich, ETH-Bibliothek; Archiv für Agrargeschichte - Archives de l'histoire rurale - Archives of rural history