1. MS Mus. 1793/1 Reference (shelfmark): MS Mus. 1793/1 Title: Leonid Feĭgin: Stage works Collection Area: Music Collections Languages: English and Russian Date Range: 1957-1992 Extent: 10 files
2. MS Mus. 1793/1/2 Reference (shelfmark): MS Mus. 1793/1/2 Title: Leonid Feĭgin: Don Juan. Act 2 Scope & Content: "Don Juan, ballet, op. 14", libretto by Anatoli Kuznetsov; 1957. Score, in ink. Act 2. Collection Area: Music Collections Languages: Russian Date Range: 1957 Extent: 127 folios