Author
Christie, Manson & Woods
426
Metropolitan Museum of Art (New York, N.Y.)
407
Sotheby's (Firm)
219
National Gallery of Art (U.S.)
165
Picasso, Pablo, 1881-1973
152
American Art Association
122
Bossan, Enrico
117
Christie, Manson & Woods International Inc
110
Los Angeles County Museum of Art
107
Parke-Bernet Galleries
106
Art Institute of Chicago
103
Gotham Book Mart Collection (University of Pennsylvania)
96
Hôtel Drouot
95
Fondo Cicognara (Biblioteca apostolica vaticana)
93
Leopoldo Cicognara Program (University of Illinois at Urbana-Champaign)
89
Benetton, Luciano, 1935-
85
Gosudarstvennyĭ Ėrmitazh (Russia)
85
Museum of Fine Arts, Boston
85
British Museum
83
Museum of Fine Arts, Houston
79
Sotheby Parke Bernet Inc
79
Fogg Art Museum
77
Arts Council of Great Britain
73
Institut néerlandais (Paris, France)
71
Imago Mundi (Project)
70
Yale University Art Gallery
70
Leonardo, da Vinci, 1452-1519
69
Sotheby & Co. (London, England)
69
Rembrandt Harmenszoon van Rijn, 1606-1669
68
Windsor Castle Royal Library
68
Musée du Louvre
64
Victoria and Albert Museum
64
Ashmolean Museum
63
Fondation Custodia
60
Solomon R. Guggenheim Museum
60
Galerie Georges Petit
58
Museum of Modern Art (New York, N.Y.)
57
C.G. Boerner (Firm)
56
Muzeʼon Yiśraʼel (Jerusalem)
55
Tōkyō Kokuritsu Hakubutsukan
54
Minneapolis Institute of Arts
52
Philadelphia Museum of Art
52
Art Gallery of Ontario
51
Hamburger Kunsthalle
51
Detroit Institute of Arts
50
Kunstmuseum Bern
49
Réunion des musées nationaux (France)
49
Yale Center for British Art
49
Virginia Museum of Fine Arts
48
American Art Association, Anderson Galleries (Firm)
47
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