Name
- Adler, Kurt, correspondent of Boosey and Hawkes, fl 1954-19611
- Adler, Peter Herman, conductor, 1899-1990, http://isni.org/isni/000000...1
- Aeschbacher, Niklaus, Swiss composer and conductor, 1917-1995, http://isni.org/isni/000000...1
- Albersen Muziek, Dutch music publishers, 1928-1
- Allt, Wilfrid, Principal of Trinity College of Music, 1889-1969, http://isni.org/isni/000000...1
- American Society of Composers, Authors and Publishers, 1914-1
- Ampenoff, Rufina, music publisher, 1912-1993, http://isni.org/isni/000000...1
- Ansermet, Ernest, conductor and composer, 1883-1969, http://isni.org/isni/000000...1
- Artia, Czech publishing house, fl 1958-19671
- Arts Council of Great Britain, 1946-19941
- Asow, Erich Hermann, German musicologist, 1892-1964, http://isni.org/isni/000000...1
- Atlantis Verlag, 1930-1
- Au Ménestrel, of Geneva; music dealers, fl 1947-19612
- Australasian Performing Right Association, 1926-1
- B. Schott's Söhne, of Mainz; music publisher, c 1770-1
- BBC Concert Orchestra, 1952-1
- Baker, L., correspondent of Boosey & Hawkes, fl 19611
- Barraud, Henry, composer, director of Radiodiffusion-Télévision Française, 1900-1997, http://isni.org/isni/000000...3
- Barron, Eileen, daughter of John Francis Barron, fl 1937-19611
- Bartók, Béla Viktor János, composer; ethnomusicologist, 1881-19452