Author
Sotheby's (Firm)
208
George Clapp Vaillant Book Fund
93
Drouot-Richelieu (Firm)
73
Christie, Manson & Woods International Inc
72
Bossan, Enrico
66
Gotham Book Mart Collection (University of Pennsylvania)
66
Rosengarten Family Fund
58
Classical Numismatic Group
53
Alumni and Friends Memorial Book Fund
51
Sotheby Parke Bernet Inc
50
Christie, Manson & Woods
47
Swann Galleries
47
Union académique internationale
45
Metropolitan Museum of Art (New York, N.Y.)
44
Villa Grisebach Auktionen
44
National Archives (U.S.)
43
Victoria and Albert Museum
42
Library of Congress
41
Art Institute of Chicago
39
Gu gong bo wu yuan (China)
39
Anne and Joseph Trachtman Memorial Book Fund
35
David E. Pingree Collection (Brown University)
33
Parke-Bernet Galleries
33
Union académique internationale
32
Sotheby's France SA
30
Imago Mundi (Project)
29
United States National Archives and Records Administration
29
British Museum
28
Valmadonna Trust Library Reference Collection (Princeton University Library)
28
Biblioteca apostolica vaticana
26
Benetton, Luciano, 1935-
25
Hôtel Drouot
25
Numismatica Ars Classica (Firm)
25
J. Paul Getty Museum
24
Museum of Fine Arts, Boston
24
Guo li gu gong bo wu yuan
23
Museum of Modern Art (New York, N.Y.)
23
Musée du Louvre
23
Public Catalogue Foundation
23
Bibliothèque nationale (France) Département des manuscrits
22
Class of 1891 Department of Arts Fund
22
United States National Archives and Records Service
22
Ashmolean Museum
21
Baldwin's Auctions Ltd
21
British Library
21
Hôtel Drouot
21
Philadelphia Museum of Art
21
Trade Catalogue Collection (Athenaeum of Philadelphia)
21
Gosudarstvennyĭ Ėrmitazh (Russia)
20
Kokuritsu Kokkai Toshokan (Japan)
20
more ...