Author
National Gallery (Great Britain)
445
Metropolitan Museum of Art (New York, N.Y.)
377
Gotham Book Mart Collection (University of Pennsylvania)
313
Gosudarstvennyĭ Ėrmitazh (Russia)
295
Ruskin, John, 1819-1900
245
Museo del Prado
237
Fondo Cicognara (Biblioteca apostolica vaticana)
229
National Gallery of Art (U.S.)
212
Sotheby's (Firm)
191
Christie, Manson & Woods
185
Moritz, Reiner
178
Musée du Louvre
169
Alte Pinakothek (Munich, Germany)
166
Leonardo, da Vinci, 1452-1519
162
Gosudarstvennyĭ Ėrmitazh (Russia)
140
Greene, James, 1926-2018
130
Films for the Humanities & Sciences (Firm)
125
Gosudarstvennyĭ russkiĭ muzeĭ (Saint Petersburg, Russia)
124
Muzeʼon Tel Aviv le-omanut
121
Rijksmuseum (Netherlands)
121
Films Media Group
117
Alexander Street Press
114
Art Institute of Chicago
109
Royal Academy of Arts (Great Britain)
109
Galleria degli Uffizi
106
Public Catalogue Foundation
105
Museum of Fine Arts, Boston
103
Gosudarstvennai︠a︡ Tretʹi︠a︡kovskai︠a︡ galerei︠a︡
101
Leopoldo Cicognara Program (University of Illinois at Urbana-Champaign)
101
Museum of Modern Art (New York, N.Y.)
101
Gemäldegalerie (Dresden, Germany)
95
Piles, Roger de, 1635-1709
94
Gosudarstvennyĭ muzeĭ izobrazitelʹnykh iskusstv imeni A.S. Pushkina
91
Tate Gallery
91
Alberti, Leon Battista, 1404-1472
90
Faber Birren Collection (Yale University)
89
Musée du Louvre
85
American Art Association
84
Mauritshuis (Hague, Netherlands)
78
Pinacoteca di Brera
78
Szépművészeti Múzeum (Hungary)
75
Bet ha-omanim (Jerusalem)
71
Wang, Gai, active 1677-1705
70
Kunsthistorisches Museum Wien Gemäldegalerie
69
Wallace Collection (London, England)
69
Wallraf-Richartz-Museum
69
Walpole, Horace, 1717-1797
68
Gu gong bo wu yuan (China)
67
Rosengarten Family Fund
67
Sammlung Thyssen-Bornemisza
67
more ...