Columbia subject headings:
Boulez, Pierre, 1925-2016--Archives--Catalogs.
Boulez, Pierre, 1925-2016--Manuscripts--Catalogs.
Music--Manuscripts--Switzerland--Basel--Catalogs.
Paul Sacher Stiftung (Basel, Switzerland)--Catalogs.
Harvard subject headings:
Boulez, Pierre, 1925-2016--Archives--Catalogs.
Boulez, Pierre, 1925-2016--Exhibitions.--Manuscripts.
Music--Manuscripts--Switzerland--Basel--Catalogs.
Paul Sacher Stiftung (Basel, Switzerland)--Catalogs.
Princeton subject headings: