Berenson Library Fototeca 1,076 Adam Matthew Digital (Firm) 917 Gotham Book Mart Collection (University of Pennsylvania) 905 Metropolitan Museum of Art (New York, N.Y.) 805 Films for the Humanities & Sciences (Firm) 630 Films Media Group 619 Muzeʼon Tel Aviv le-omanut 520 De Gruyter 514 Christie, Manson & Woods 409 Ruskin, John, 1819-1900 404 United States Congress 396 Sotheby's (Firm) 392 Muzeʼon Yiśraʼel (Jerusalem) 380 Gosudarstvennyĭ Ėrmitazh (Russia) 305 Museum of Fine Arts, Boston 297 Fratelli Alinari 296 Art Institute of Chicago 295 Fondo Cicognara (Biblioteca apostolica vaticana) 295 National Gallery of Art (U.S.) 292 Rosengarten Family Fund 278 Musée du Louvre 245 Alumni and Friends Memorial Book Fund 239 George Clapp Vaillant Book Fund 234 Leopoldo Cicognara Program (University of Illinois at Urbana-Champaign) 213 University of Pennsylvania 211 ebrary, Inc 208 Alinari 205 Museum of Modern Art (New York, N.Y.) 202 Horace Howard Furness Memorial Library (University of Pennsylvania) 194 Bet ha-omanim (Jerusalem) 192 Tate Gallery 177 Reynolds, Joshua, Sir, 1723-1792 175 Royal Academy of Arts (Great Britain) 174 Vasari, Giorgio, 1511-1574 172 Victoria and Albert Museum 172 British Museum 163 Los Angeles County Museum of Art 153 Tōkyō Kokuritsu Hakubutsukan 153 Christie, Manson & Woods International Inc 150 Cleveland Museum of Art 148 Philadelphia Museum of Art 147 Anderson, D (Domenico) 146 Gosudarstvennyĭ Ėrmitazh (Russia) 145 Picasso, Pablo, 1881-1973 143 ProQuest (Firm) 137 Gombrich, E. H (Ernst Hans), 1909-2001 136 Kunsthistorisches Museum Wien 136 American Art Association 132 Cooper, A. C. 130 Parke-Bernet Galleries 129 Read, Herbert, 1893-1968 129 United States Congress. House 122 Fogg Art Museum 121 Muzeʼon Hertseliyah le-omanut 121 Anderson 120 Muzeʼon Yiśraʼel (Jerusalem) 119 Muzeʼon le-omanut Yiśreʼelit, Ramat Gan 119 Goethe, Johann Wolfgang von, 1749-1832 116 Sotheby Parke Bernet Inc 116 Museum of Fine Arts, Houston 115 Brooklyn Museum 113 EuroArts Music International GmbH 113 Julio Mario Santo Domingo Collection 113 Minneapolis Institute of Arts 113 Anne and Joseph Trachtman Memorial Book Fund 112 Centre Georges Pompidou 112 Gosudarstvennyĭ russkiĭ muzeĭ (Saint Petersburg, Russia) 112 J. Paul Getty Museum 111 Rijksmuseum (Netherlands) 109 American Federation of Arts 108 Gosudarstvennyĭ muzeĭ izobrazitelʹnykh iskusstv imeni A.S. Pushkina 107 Detroit Institute of Arts 106 Galleria degli Uffizi 106 Brogi, Giacomo, 1822-1881 105 Réunion des musées nationaux (France) 105 Brogi 104 Agudat ha-tsayarim ṿeha-pasalim be-Yiśraʼel 101 Hamburger Kunsthalle 101 Yale University Art Gallery 101 Muzeʼon Tel Aviv 99 Biennale di Venezia 98 Museo del Prado 98 Muzeʼon Ḥefah le-omanut ḥadashah (Israel) 98 College Art Association of America 97 Gosudarstvennai︠a︡ Tretʹi︠a︡kovskai︠a︡ galerei︠a︡ 97 Janson, H. W (Horst Woldemar), 1913-1982 97 Musée du Louvre 97 Coomaraswamy, Ananda K (Ananda Kentish), 1877-1947 95 Nationalmuseum (Sweden) 94 Panofsky, Erwin, 1892-1968 93 Staatliche Kunstsammlungen Dresden 93 Ny Carlsberg glyptotek 92 Whitney Museum of American Art 92 Baltimore Museum of Art 90 Sotheby & Co. (London, England) 90 National Gallery of Canada 89 Sigismondi, Roberto, 1952- 89 United States Congress. House. Committee on the library 89 Bonhams 88 United States Congress. House. Committee on the Library 88