Columbia subject headings:
Carl Nielsens samling--Catalogs.
Kongelige Bibliotek (Denmark). Musikafdelingen--Catalogs.
Music--Manuscripts--Denmark--Copenhagen--Catalogs.
Nielsen, Carl, 1865-1931--Manuscripts--Catalogs.
Harvard subject headings:
Carl Nielsens samling--Catalogs.
Kongelige Bibliotek (Denmark). Musikafdelingen--Catalogs.
Music--Manuscripts--Denmark--Copenhagen--Catalogs.
Nielsen, Carl, 1865-1931--Bibliography--Catalogs.
Nielsen, Carl, 1865-1931--Manuscripts--Catalogs.
Princeton subject headings:
Carl Nielsens samling--Catalogs.
Kongelige Bibliotek (Denmark). Musikafdelingen--Catalogs.
Music--Manuscripts--Denmark--Copenhagen--Catalogs.
Nielsen, Carl, 1865-1931--Manuscripts--Catalogs.