Composers
Aharonian, Antaram (1 item) 1958
Barber, Samuel (2 items) 1957
Borris, Siegried (5 items) 1958, undated
Bowman, Carl (1 item) 1959
Cone, Edward (11 items) 1942
Csonka, Paul (4 items) 1961
Filippi, Amedeo (1 item) 1958
Foss, Lukas (1 item) 1942
Gál, Hans (8 items) 1938, 1980-1981
Heiden, Bernhard (2 items) 1957
Ginastera, Alberto (1 item) 1966
Lang, Walter (3 items) 1957
Milhaud, Darius (32 items) 1938-1942, 1961
Roetscher, Konrad (11 items) 1958-1959
Rochberg, George (5 items) 1957-1958
Sessions, Roger (7 items) 1947-1948
Shifrin, Seymour (2 items) 1959
Siegmeister, Elie (1 item) 1958
Thomson, Virgil (1 item) 1942
Uhl, Alfred (7 items) 1968
Wiener, Ivan (1 item) 1958
Collier, Gilman (1 item) 1959
Flores Garcia, Anastasio (33 items) 1957-1963
Grossman, George (1 item) 1958
Herbert, Ralph (1 item) 1959
Kohon, Harold (1 item) 1958
Kolisch, Rudolf (1 item) 1940
Kooper, Kess (1 item) 1960
Kurka, May (1 item) undated
Levy, Gerardo (19 items) 1957-1958
O'brien, James (3 items) 1956
Polatschek, Victor (8 items) 1947-1948
Raieff, Joseph (3 items) 1957
Serkin, Rudolf (11 items) 1954-1955, 1960
Stadlen, Peter (21 items) 1938-1940, 1977
Sten, Suzanne (1 item) 1941
Swarthout, Gladys (2 items) 1941
Thomas, John Charles (1 item) 1950
Tudor, David (1 item) 1959
Versé, Vittorio (2 items) 1958-1959
Wittgenstein, Paul (19 items) 1948, 1952, 1956-1959
Zighéra, Bernard (1 item) 1942
Byrns, Harold (49 items) 1940-1941, 1968-1977, undated
Craft, Robert (4 items) 1950, 1953
Leinsdorf, Erich (41 items) 1938-1943, 1945, 1962-1965, 1967-1976, undated
Mitropoulos, Dimitri (1 item) 1942
Szell, George (1 item) 1939
Stein, Erwin (2 items) 1949
Scherchen, Hermann (11 items) 1938-1939, 1947, 1964
Musicologists, Critics, and Writers
Blaukopf, Kurt (90 items) 1927, late 1930s, 1940, 1953, 1957-1960, 1968, 1973-1975, 1978-1979, 1981-1983
Downes, Olin (3 items) 1951, 1955
Einstein, Alfred (12 items) 1939-1942, 1948
Klem, Eberhard (1 item) 1964
Knepler, Georg (94 items) 1948-1951, 1961, 1964, 1969, 1971, 1974-1975, 1977, 1979
Knepler, Georg - published articles (7 items) 1958, 1967, 1969, 1973, 1977, undated
Mann, Frances (1 item) 1959
Music Publishers (15 items) 1956-1958
Unidentified correspondence (21 items) 1938, 1949, 1958-1961, 1967-1969, 1974, undated
Ephemera (6 items) 1948-1949, 1964, 1968, undated