Author
Library of Congress
50
Gotham Book Mart Collection (University of Pennsylvania)
34
Biblioteca apostolica vaticana
30
Bibliothèque nationale (France). Département des manuscrits
30
Archivo General de la Nación (Mexico)
20
H.P. Kraus (Firm)
19
Maggs Bros
19
Kokuritsu Kokkai Toshokan (Japan)
18
Biblioteca Nacional (Spain)
17
British Museum. Department of Oriental Printed Books and Manuscripts
16
Akademii︠a︡ nauk SSSR. Biblioteka
15
Christie, Manson & Woods
15
Biblioteca Nacional (Brazil)
14
Educational Resources Information Center (U.S.)
14
British Library
13
Escorial. Real Biblioteca
13
Bayerische Staatsbibliothek
12
British Museum. Department of Printed Books
12
Horace Howard Furness Memorial Library (University of Pennsylvania)
12
Newberry Library
12
Harvard University. Library
11
Österreichische Nationalbibliothek
11
Rijksuniversiteit te Leiden. Bibliotheek
11
Sotheby & Co. (London, England)
11
University of Pittsburgh. University Libraries
11
Archivo General de Indias
10
Bibliothèque nationale (France)
10
Bodleian Library
10
Cambridge University Library
10
Hoover Institution on War, Revolution, and Peace
10
House of Books, Ltd. (New York, N.Y.)
10
Kotvan, Imrich
10
Pierpont Morgan Library
10
Yarnall Collection (University of Pennsylvania)
10
Gosudarstvennai︠a︡ publichnai︠a︡ biblioteka imeni M.E. Saltykova-Shchedrina
9
Henry E. Huntington Library and Art Gallery
9
John Carter Brown Library
9
Library of Congress. Manuscript Division
9
Princeton University. Library
9
United States. National Archives and Records Service
9
Center for Research Libraries (U.S.)
8
Library of Congress. Copyright Office
8
Omont, Henri Auguste, 1857-1940
8
Peabody Museum of Archaeology and Ethnology. Library
8
Preussische Staatsbibliothek
8
R.R. Bowker Company
8
Rosengarten Family Fund
8
Royal Academy for Islamic Civilization Research
8
Union académique internationale
8
Alumni and Friends Memorial Book Fund
7
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