[Duchamp, Marcel] D'Harnoncourt, Anne & Walter Hopps — Etant Donnes: 1 La Chute D'Eau, 2 Le Gaz D'Eclairage: Reflections on a New Work By Marcel Duchamp

Philadelphia: Philadelphia Museum of Art, 1987. reprint, A clean fine paperback exhibition catalog in decorative wrappers (soft cover book in original shrinkwrap)/ no dust jacket., Second reprint of the Philadelphia Museum of Art Bulletion, Volume LXIV, Numbers 299 and 300, April-September 1969, 63 pages plus a Biographic Note by d'Harnoncourt, illustrated.