Author
Library of Congress. Manuscript Division
392
Bach, Johann Sebastian, 1685-1750
139
British Library
129
Rihm, Wolfgang
128
Biblioteca apostolica vaticana
127
Catholic Church
110
Mozart, Wolfgang Amadeus, 1756-1791
102
British Museum. Department of Manuscripts
96
Bodleian Library
95
Gotham Book Mart Collection (University of Pennsylvania)
92
Oetting, William H., 1875-1969
90
Mirskey, Nek
76
Bayerische Staatsbibliothek
75
Pierpont Morgan Library
74
Beethoven, Ludwig van, 1770-1827
73
United States. National Historical Publications Commission
73
Bibliothèque nationale (France). Département des manuscrits
70
Rosengarten Family Fund
70
Sørensen, Bent, 1958-
69
James, M. R. (Montague Rhodes), 1862-1936
65
Library of Congress
63
Cornell University. New York Historical Resources Center
58
Sotheby's (Firm)
54
Cambridge University Library
50
Bibliothèque nationale de France
48
Cage, John
47
Sotheby & Co. (London, England)
47
Brahms, Johannes, 1833-1897
46
Finney, Theodore M. (Theodore Mitchell), 1902-1978
46
Österreichische Nationalbibliothek
46
Alumni and Friends Memorial Book Fund
45
Biblioteca Nacional (Spain)
45
Bibliothèque nationale (France)
45
ProQuest Ebook Subscriptions
45
Anderson, T. J. (Thomas Jefferson), 1928-
42
Constance L. Rosenthal Book Fund
42
Fitzpatrick, John Clement, 1876-1940
42
Crumb, George
41
Henry E. Huntington Library and Art Gallery
40
Schumann, Robert, 1810-1856
40
Horace Howard Furness Memorial Library (University of Pennsylvania)
39
Biblioteca medicea laurenziana
36
H.P. Kraus (Firm)
36
Paul Sacher Stiftung (Basel, Switzerland)
36
ProQuest (Firm)
36
Yarnall Collection (University of Pennsylvania)
36
British Museum
35
Chaucer, Geoffrey, -1400
35
Maggs Bros
35
British Library. Department of Manuscripts
34
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