ART WIKI
Hvor mesterværket hænger, og hvornår man bliver lukket ind.
Samlinger: Art Institute of Chicago, Det Russiske Museum, Eremitagen, Getty Villa, Harvard Art Museums, Hirshhorn Museum and Sculpture Garden, J. Paul Getty Museum, Louvre, Metropolitan Museum of Art, Minneapolis Institute of Art, Museum of Modern Art, National Gallery of Art, National Museum of Asian Art, National Portrait Gallery (Smithsonian), Pusjkinmuseet, Rijksmuseum Amsterdam, Smithsonian American Art Museum, Statens Museum for Kunst, The Cleveland Museum of Art, Tretjakovgalleriet, Victoria and Albert Museum, Whitney Museum of American Art, Ruslands statskatalog over museumsfonden (274 museer), Europeana (19 museer), Wikidata (6 museer), Paris Musées (12 museer) og Joconde, det franske kulturministeriums museumsdatabase (495 museer). Billederne tilhører deres rettighedshavere.
Jan Petrus Ponstijn1883–1970
