1. MS Mus. 1813/2/1/262 Reference (shelfmark): MS Mus. 1813/2/1/262 Title: Iannis Xenakis: General files, 1965–1970. Part 2 of 2 Scope & Content: Rufina Ampenoff's files. Correspondence and papers involving or relating to the production of Iannis Xenakis' works. Collection Area: Music Collections Languages: English, French, German, and Italian Date Range: 1965-1970 Extent: 1 box (4 folders, 11 sub-files)