Title: Nicolas Slonimsky collection
Subjects: Correspondence, Manuscripts, Music
People: Henry Cowell (1897-1965), Nicolas Slonimsky (1894-1995), Aleksandr Tikhonovich Grechaninov (1864-1956), Edgard Varèse (1883-1965), Roy Harris (1898-1979), Charles Ives (1874-1954)
Time periods: 20th century