Title: Nikolai Lopatnikoff collection
Subjects: Correspondence, Manuscripts
People: Julius Rudel, Serge Koussevitzky (1874-1951), Joseph Rosenstock (1895-1985), Aaron Copland (1900-1990), William Steinberg (1899-1978), Nicolas Slonimsky (1894-1995), Rudolf Bing (1902-1997), Nikolai Lopatnikoff (1903-1976)