Columbia subject headings:
Kelterborn, Rudolf, 1931---Bibliography.
Kelterborn, Rudolf, 1931---Manuscripts--Catalogs.
Manuscripts--Switzerland--Basel--Catalogs.
Paul Sacher Stiftung (Basel, Switzerland)--Catalogs.
Harvard subject headings:
Kelterborn, Rudolf, 1931---Bibliography.
Kelterborn, Rudolf, 1931---Manuscripts--Catalogs.
Manuscripts--Switzerland--Basel--Catalogs.
Paul Sacher Stiftung (Basel, Switzerland)--Catalogs.
Princeton subject headings:
Catalogs.
Kelterborn, Rudolf, 1931---Archives--Catalogs.
Kelterborn, Rudolf, 1931---Manuscripts--Catalogs.
Music--Manuscripts--Switzerland--Basel--Catalogs.
Paul Sacher Stiftung (Basel, Switzerland)--Catalogs.