1. Exhibition announcement, Valentine Gallery Creator: From the Collection: Mondrian, Piet, 1872-1944 Published / Created: 1943 Mar-Apr Call Number: GEN MSS 1102 Container / Volume: Box 4, folder 109 Image Count: 5 Found in: Beinecke Rare Book and Manuscript Library > Piet Mondrian papers (GEN MSS 1102) > Series II: Other Papers > Personal Papers > Exhibition announcement, Valentine Gallery