Title: Sergeĭ Prokofʹev--Sergeĭ Kusevit︠s︡kiĭ
Subjects: Correspondence, Composers, Conductors (Music), History and criticism, Letters (Literary history), Literature on music, Music, Friends and associates, Congresses
Places: United States, Soviet Union
People: Serge Koussevitzky (1874-1951), Sergey Prokofiev (1891-1953)