Untitled (bleed-through of previous page, left page); Untitled (head in profile with spiky hair, right page), Harvard Art Museums/Busch-Reisinger Museum, Gift of Elizabeth Goldring Piene, © 2021 Artists Rights Society (ARS), New York / VG Bild-Kunst, Bonn ©President and Fellows of Harvard College, 2019.25.50

Learn more about Otto Piene's Untitled (bleed-through of previous page, left page) & Untitled (head in profile with spiky hair, right page) on the Harvard Art Museums website: https://hvrd.art/o/369691.