Walther Geiser
(1897–1993)
Swiss composer
- Sound recordings
- Music manuscripts: fair copies
- Proof sheets/Personal copies
- Music manuscripts: sketches and drafts
- Programs/Reviews
- Photographs
- Typescripts
- Correspondence
Sammlung Walther Geiser: Musikmanuskripte [Walther Geiser Collection: Music Manuscripts], Inventories of the Paul Sacher Foundation, vol. 7 (Winterthur: Amadeus, 1990) – PDF online