Sarnen

State Archives

BRETSCHER-GISIGER, Charlotte; GAMPER, Rudolf: Katalog der mittelalterlichen Handschriften der Klöster Muri und Hermetschwil. Dietikon-Zurich 2005. - The Urs Graf publishing house went bankrupt in 2022. The catalogs were still accessible via the wayback machine of the Internet Archive (as of 08/2025).