1. Pregel', Sofiia Creator: From the Collection: Rzhevskiĭ, Leonid, 1905-1986 Published / Created: 1953 Call Number: GEN MSS 630 Container / Volume: Box 10, folder 207 Image Count: 3 Found in: Beinecke Rare Book and Manuscript Library > Leonid Rzhevsky papers (GEN MSS 630) > Series I: Correspondence > Pregel', Sofiia