1. Triangle Letter Series No. 3 (with three stamps) (edition varieƩ) Creator: From the Collection: Van Horn, Erica Published / Created: 1978 Call Number: YCAL MSS 340 Container / Volume: Box 12 (Broadside) Image Count: 1 Found in: Beinecke Rare Book and Manuscript Library > Erica Van Horn prints (YCAL MSS 340) > Series I: Prints > Books and Writings > Triangle Letter Series No. 3 (with three stamps) (edition varieƩ)