1. MS Mus. 1813/2/1/293 Reference (shelfmark): MS Mus. 1813/2/1/293 Title: Igor Stravinsky: General file, 1965 Scope & Content: ' General administrative correspondence and papers, mainly of 1965, relating to or involving Igor Stravinsky: Rufina Ampenoff's files. Collection Area: Music Collections Languages: English, French, German, Italian, Polish, and Russian Date Range: 1965-1966 Extent: 1 box (4 folders, 10 sub-files)
2. MS Mus. 1813/2/1/294 Reference (shelfmark): MS Mus. 1813/2/1/294 Title: Igor Stravinsky: General file, 1966 Scope & Content: ' General administrative correspondence and papers mainly of 1966 relating to or involving Igor Stravinsky: Rufina Ampenoff's files. Collection Area: Music Collections Languages: Church Slavic, English, French, German, Latin, and Russian Date Range: 1959-1966 Extent: 1 box (3 folders, 9 sub-files)
3. MS Mus. 1813/2/1/295 Reference (shelfmark): MS Mus. 1813/2/1/295 Title: Igor Stravinsky: General file, 1967–1968, and other letters Scope & Content: ' General administrative correspondence and papers, mainly of 1967 and 1968, relating to or involving Igor Stravinsky: Rufina Ampenoff's files. Collection Area: Music Collections Languages: English, French, German, Polish, Russian, and Spanish Date Range: 1965-1968 Extent: 1 box (4 files)
4. MS Mus. 1813/2/1/296 Reference (shelfmark): MS Mus. 1813/2/1/296 Title: Igor Stravinsky: General file, 1967–1968, and other letters Scope & Content: ' General administrative correspondence and papers, mainly of 1967 and 1968, relating to or involving Igor Stravinsky: Rufina Ampenoff's files. Collection Area: Music Collections Languages: English, French, Italian, and Polish Date Range: 1965-1972 Extent: 1 box (4 files)