Bach, Johann Sebastian, 1685-1750 71 Mozart, Wolfgang Amadeus, 1756-1791 55 Beethoven, Ludwig van, 1770-1827 46 Chopin, Frédéric, 1810-1849 35 Catholic Church 28 Brahms, Johannes, 1833-1897 23 Schubert, Franz, 1797-1828 23 British Library 20 Haydn, Joseph, 1732-1809 16 Bibliothèque nationale de France 14 Bodleian Library 14 Staatsbibliothek zu Berlin--Preussischer Kulturbesitz 13 Schumann, Robert, 1810-1856 12 Handel, George Frideric, 1685-1759 11 Strauss, Richard, 1864-1949 11 Bach, Carl Philipp Emanuel, 1714-1788 10 Bartók, Béla, 1881-1945 10 Bibliothèque nationale (France) 10 Schulze, Hans-Joachim 10 Wagner, Richard, 1813-1883 10 Yeats, W. B. 1865-1939 10 Debussy, Claude, 1862-1918 9 Dittmer, Luther A. 9 Gubaidulina, Sofia, 1931- 9 Mendelssohn-Bartholdy, Felix, 1809-1847 9 Zwilich, Ellen Taaffe, 1939- 9 Berio, Luciano, 1925-2003 8 Beyer, Johanna Magdalena, 1888-1944 8 Biblioteka Jagiellońska 7 Biblioteka Narodowa (Poland) 7 Birtwistle, Harrison 7 Feldman, Morton, 1926-1987 7 Freer Gallery of Art 7 Mahler, Gustav, 1860-1911 7 Nono, Luigi 7 Paul Sacher Stiftung (Basel, Switzerland) 7 Stravinsky, Igor, 1882-1971 7 Österreichische Nationalbibliothek. Musiksammlung 7 Bach, Carl Philipp Emanuel, 1714-1788, 6 Bayerische Staatsbibliothek 6 Berg, Alban, 1885-1935 6 Cage, John 6 Chaucer, Geoffrey, -1400 6 Durant Collection (Wellesley College Library) 6 Hilmar, Ernst 6 Hobson, G. D. 1882-1949 6 Köhler, Karl-Heinz, 1928-1997 6 Lamb, Hubert 6 Library of Congress 6 Sanders, Henry A. 1868-1956 6 Wollny, Peter 6 Xenakis, Iannis, 1922-2001 6 Biblioteca Nacional (Spain) 5 Brandenburg, Sieghard 5 Brosche, Günter 5 Cambridge University Library 5 Crumb, George 5 Françaix, Jean, 1912-1997 5 Hatch, William Henry Paine, 1875-1972 5 Library of Congress. Music Division 5 Liszt, Franz, 1811-1886 5 Martin, Frank, 1890-1974 5 Partch, Harry, 1901-1974 5 Piston, Walter, 1894-1976 5 Plainsong and Mediaeval Music Society (Great Britain) 5 Skelton, R. A. 1906-1970 5 Aubry, Pierre, 1874-1910 4 Beethoven-Haus (Bonn, Germany) 4 Biber, Heinrich Ignaz Franz, 1644-1704 4 Biblioteca nazionale centrale di Firenze 4 Bibliothèque nationale (France). Département des manuscrits 4 Bibliothèque royale Albert Ier 4 Blake, William, 1757-1827 4 Boulez, Pierre, 1925-2016 4 Boyce, James John 4 Bussotti, Sylvano 4 Buxtehude, Dietrich, 1637-1707 4 Calderón de la Barca, Pedro, 1600-1681 4 Davenport, Cyril, 1848-1941 4 Dickinson, Emily, 1830-1886 4 Drees, Stefan, 1966- 4 Dvořák, Antonín, 1841-1904 4 Faulkner, William, 1897-1962 4 Goethe, Johann Wolfgang von, 1749-1832 4 Goodman Collection (Wellesley College Library) 4 Grasberger, Franz 4 Hispanic Society of America 4 Internationale Stiftung Mozarteum Salzburg 4 Istituto italiano Antonio Vivaldi 4 Ligeti, György, 1923-2006 4 Mathias, William 4 Meyer, Felix, 1957- 4 Monteverdi, Claudio, 1567-1643 4 Neumann, Werner, 1905-1991 4 Ott, Alfons 4 Preussische Staatsbibliothek 4 Rehm, Wolfgang 4 Rochberg, George 4 Rossini, Gioacchino, 1792-1868 4 Samson, Jim 4