Author
Christie, Manson & Woods
426
Metropolitan Museum of Art (New York, N.Y.)
407
Sotheby's (Firm)
216
National Gallery of Art (U.S.)
165
Picasso, Pablo, 1881-1973
152
American Art Association
122
Bossan, Enrico
117
Christie, Manson & Woods International Inc
109
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
Museum of Fine Arts, Boston
86
Benetton, Luciano, 1935-
85
British Museum
84
Gosudarstvennyĭ Ėrmitazh (Russia)
84
Museum of Fine Arts, Houston
79
Fogg Art Museum
77
Sotheby Parke Bernet Inc
76
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
67
Victoria and Albert Museum
65
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
Minneapolis Institute of Arts
53
Tōkyō Kokuritsu Hakubutsukan
53
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
more ...