1. Sikorsky, Igor I. Creator: From the Collection: Batchelder, Alyce Published / Created: 1964-1965, undated Call Number: GEN MSS 589 Container / Volume: Box 1, folder 7-8 Image Count: 27 Found in: Beinecke Rare Book and Manuscript Library > Alyce Batchelder Collection of George Grebenstchikoff (GEN MSS 589) > Series I: Correspondence > Alyce Batchelder > Sikorsky, Igor I.