Author
Ashmolean Museum
4
British Museum. Department of Prints and Drawings
3
Leonardo, da Vinci, 1452-1519
3
National Gallery of Art (U.S.)
3
Queen's Gallery (London, England)
3
Windsor Castle. Royal Library
3
Clayton, Martin, 1967-
2
Drawing Center (New York, N.Y.)
2
Guercino, 1591-1666
2
Joannides, Paul
2
Kimbell Art Museum
2
Parker, K. T. 1895-1992
2
Popham, A. E. 1889-1970
2
Sir John Soane's Museum
2
Turner, Nicholas, 1947-
2
Walker Art Gallery
2
Andrews, Julian
1
Art Institute of Chicago
1
Bradford, William, 1950-
1
Braham, Helen
1
British Museum
1
Brooke, Xanthe
1
Byam Shaw, James, 1903-1992
1
California Palace of the Legion of Honor
1
Clayton, Martin
1
Cleveland Museum of Art
1
Courtauld Institute Galleries
1
Courtauld Institute of Art
1
Croft-Murray, Edward
1
Del Re, Sonia,
1
Fairbairn, Lynda
1
Gere, John A.
1
Griffiths, Antony
1
Hewison, Robert, 1943-
1
Hind, Arthur M. 1880-1957
1
Istituto di storia dell'arte (Fondazione "Giorgio Cini")
1
Jaffé, Michael, 1923-
1
Jane Voorhees Zimmerli Art Museum
1
Kennedy, Gillian
1
Lloyd, Christopher, 1945-
1
Lorrain, Claude, 1600-1682
1
Mahon, Denis
1
Mappin Art Gallery
1
Michelangelo Buonarroti, 1475-1564
1
Moore, Henry, 1898-1986
1
Moorhouse, Paul
1
Museum of Fine Arts, Houston
1
National Gallery (Great Britain)
1
National Gallery of Canada,
1
Newman, Avis
1
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