Frick Collection, New York - USA Berlin Picture Gallery, Berlin - Germany Uffizi Gallery, Florence - Italy The State Museum, Amsterdam - The Netherlands The Queen's Museum Sofia, Madrid - Spain Van Gogh Museum, Amsterdam - Netherlands Thyssen-Bornemisza Museum, Madrid - Spain Tate Gallery, London - United Kingdom Museum of Contemporary Art, Museum of Modern Art, New York - USA Metropolitan Museum of Art, New York - USA Freer Art Gallery, Smithsonian Institution, Washington, District of Columbia - USA Kampa Museum, Prague - Czech Republic National Gallery, London - United Kingdom The State Tretyakov Gallery, Moscow - Russia Versailles Palace - France The State Hermitage, St. Petersburg - Russia