Name
- City of Birmingham Symphony Orchestra, 1920-1
- Coombs, John M., of Boosey and Hawkes Ltd., fl 1949-19591
- Engle, Donald L, music administrator, 1917?-20041
- Librairie Prior, of Geneva; booksellers, fl 1946-19561
- Mallorca Symphony Orchestra, fl 1956-19581
- Martinů, Bohuslav Jan, Czech composer, 1890-19591
- Mechanical-Copyright Protection Society Ltd, 1924-1
- Mezhdunarodnai︠a︡ kniga, Russian exporters of books and records, 1923-1
- Moeschinger, Albert, Swiss composer, 1897-19851
- N. V. Philips' Phonographische Industrie, fl 1956-19611
- Nazionalmusic, of Milan; music publishers, fl 1956-19611
- Nussio, Otmar, composer and conductor, 1902-19901
- O'Donnell, R P, Royal Air Force officer; musician and band-master, fl mid 20th century1
- Omloo & Van der Wal, of Amsterdam; music dealers, fl 1956-19591
- Ottado y Garrido, of Montevideo, fl 1939-19411
- Oxford University Press, University of Oxford, 1486-1
- Panufnik, Andrzej, Knight, composer and conductor, 1914-1991, http://isni.org/isni/000000...1
- Performing Right Society, 1914-19971
- Perrenoud, Jean-Frédéric, Swiss composer, 1912-1988, http://isni.org/isni/000000...1
- Philharmonia Orchestra, 1945-1