Ahlen, Kaldewei Kulturstiftung. Foto: Camerarts, Inc., New York
Kansas City, Missouri, The Nelson-Atkins Museum of Art. Gift of the Friends of Art, 54-86. Image courtesy Nelson-Atkins Media Services / Photo: Jamison Miller
Archiv Eigentümer(in) / Owner's archive
Photograph Courtesy of Sotheby's, Inc. © 2017
bpk / The Metropolitan Museum of Art