Museum Tours Accademia Carrara, Bergamo, Italy Addison Gallery of American Art Albright-Knox Art Gallery, Buffalo, NY Alte Pinakothek, Munich Amon Carter Museum, Texas Art Gallery of Ontario Art Gallery of South Australia Art Institute of Chicago Atkinson Art Gallery, Southport, England, The Baltimore Museum of Art Birmingham Museums and Art Gallery, England Brooklyn Museum of Art, New York City Butler Institute of American Art, Youngstown, Ohio California Palace of the Legion of Honor Christopher Wood Gallery, London Cincinnati Art Museum City of Bristol Art Gallery, England Cleveland Museum of Art, Ohio Columbus Museum of Art, Ohio Convent of San Marco, Refectory, Florence Corcoran Gallery of Art, Washington D.C. Courtauld Institute Galleries, London Currier Gallery of Art, New Hampshire Detroit Institute of the Arts Egyptian Museum, Cairo Frick Collection, The, New York Galerie Isy Brachot, Brussels Galleria Borghese, Italy Galleria Capitolina, Rome, Italy Galleria Doria Pamphilj, Rome, Italy Galleria Nazionale d'Arte Antica, Rome, Italy Galleria Nazionale d'Arte Moderna, Rome Galleria della Uffizi, Florence Gallerie dell'Accademia, Florence Gemaldegalerie, Germany Glasgow Art Gallery and Museum Graphische Sammlung Albertina, Vienna, Austria Guggenheim Museum, New York Gulbenkian Foundation, Portugal Harris Museum and Art Gallery, England Hermitage at St. Petersburg, Russia Honolulu Academy of Arts, Hawaii Huntington Library, San Marino Ipswich, Museums and Galleries, UK J. Paul Getty Museum, Los Angeles Joslyn Art Museum, Nebraska Kimbell Art Museum, Texas Kunsthaus, Zurich, Switzerland Kunsthistorisches Museum, Austria Lady Lever Art Gallery, England Laing Art Gallery, UK Leicester Galleries, London Los Angeles County Museum of Art Maas Gallery, London, The Manchester City Art Galleries, England Mauritshuis Museum, The Hague Metropolitan Museum of Art, New York Milwaukee Art Museum, Wisconsin Minneapolis Institute of Arts Montclair Art Museum, New Jersey Munch Museum, Oslo Musee Conde, Chantily Musee Marmottan, Paris, France Musee National de Malmaison, France Musee National du Moyen Age, Cluny, Paris Musee Picasso, Paris Musee Royaux des Beaux-Arts, Brussels Musee Saint Denis, Rheims Musee Turpin de Crisse, Angers, France Musee d'Art Moderne de Ville de Paris Musee d'Orsay, Paris Musee des Augustins, France Musee des Beaux-Arts de Rennes, France Musee du Louvre, Paris Musee national du chateau de Compiegne, France Musei Vaticani, Vatican City, Italy Museo Nacional Reina Sofia, Madrid Museo de Arte de Ponce, Puerto Rico Museo del Prado, Madrid Museum H.R. Giger, Switzerland Museum of Contemporary Art, Chicago Museum of Contemporary Art, Los Angeles Museum of Fine Arts, Boston Museum of Modern Art, New York National Army Museum, London National Gallery of Art, Washington D.C. National Gallery of Australia National Gallery of Ireland National Gallery of Scotland National Gallery of Victoria, Australia National Gallery, London National Gallery, Oslo National Museum of Wales, UK. National Museum of Women in the Arts, Washington D.C. National Museums & Galleries on Merseyside, U.K. National Portrait Gallery Nelson-Atkins Museum, Kansas New Britain Museum of American Art, Connecticut North Carolina Museum of Art Orlando Museum of Art Osterreichische Galerie Belvedere, Vienna Palm Springs Desert Museum Pennsylvania Academy of the Fine Arts, Philadelphia Philadelphia Museum of Art Phillips Collection, Washington D.C. Pinacoteca di Brera, Milan Pushkin Museum of Fine Art, Moscow Rhode Island School of Design Museum of Art Rijksmuseum, Amsterdam Russell-Cotes Art Gallery and Museum, Bournemouth, UK Salvador Dali Museum, St. Petersburg, Florida San Diego Museum of Art San Francisco Museum of Modern Art Santa Barbara Museum of Art Santa Maria del Popolo, Rome, Italy Santa Maria dello Grazie, Italy Smithsonian American Art Museum, Washington D.C. Smithsonian Institution, Washington, D.C. Southampton City Art Gallery, England Springfield Museum of Art St. Pierre at Louvain, Belgium Staatliche Kunstsammlungen, Dresden, Germany Staatsgalerie Stuttgart, Stuttgart, Germany Tate Gallery, London Tel Aviv Museum of Art Terra Museum of American Art, Chicago Timken Museum of Art, San Diego Toledo Museum of Art Toyota Municipal Museum of Art, Japan Trinity College, Dublin Van Gogh Museum, Amsterdam Victoria and Albert Museum, London Villa della Farnesina, Italy Virginia Museum of Fine Arts Wadsworth Atheneum, Connecticut Walker Art Gallery, Liverpool Wallace Collection, London Wallraf-Richartz Museum, Germany Walters Art Gallery, Baltimore, Maryland Whitney Museum of American Art, New York Yale Center for British Art, New Haven Yale University Art Gallery, New Haven