1. Pregel', Sofiia Creator: From the Collection: Korvin-Piotrovskiĭ, Vladimir Lʹvovich, 1891-1966 Published / Created: 1945-1958 Call Number: GEN MSS 598 Container / Volume: Box 1, folder 41 Image Count: 46 Description: Includes incoming and outgoing Found in: Beinecke Rare Book and Manuscript Library > Vladimir Korvin-Piotrovskiĭ papers (GEN MSS 598) > Series I: Correspondence > Vladimir Korvin-Piotrovskii > Pregel', Sofiia