Author
Catholic Church
20
Dittmer, Luther A.
8
Bach, Johann Sebastian, 1685-1750
7
Bibliothèque nationale de France
5
British Library
5
Mozart, Wolfgang Amadeus, 1756-1791
5
Bodleian Library
4
Boyce, James John
4
Cambridge University Library
4
Bayerische Staatsbibliothek
3
Beethoven, Ludwig van, 1770-1827
3
Bibliothèque nationale (France)
3
Bibliothèque royale Albert Ier
3
Plainsong and Mediaeval Music Society (Great Britain)
3
Abbaye Saint-Pierre de Solesmes
2
Bernard, Edward, 1638-1696
2
Biblioteca capitolare (Benevento, Italy)
2
Brosche, Günter
2
Catholic Church. Diocese of Salisbury (England)
2
Czernin, Martin
2
Etzkorn, Girard J.
2
Frere, W. H. 1863-1938
2
Henry, of Ghent, 1217?-1293
2
Herzog August Bibliothek
2
Hildegard, Saint, 1098-1179
2
Hiley, David
2
Josquin, des Prez, -1521
2
Loos, Ike de
2
Notker, Balbulus, approximately 840-912
2
Rastall, Richard
2
Rijksuniversiteit te Utrecht. Bibliotheek
2
Schulze, Hans-Joachim
2
Simon, Richard, 1638-1712
2
Smoje, Dujka
2
Steiner, Ruth
2
Stiftsbibliothek Sankt Gallen
2
Verdi, Giuseppe, 1813-1901
2
Virgil
2
Welker, Lorenz
2
Abbazia della Trinità della Cava (Cava de' Tirreni, Italy)
1
Aelfric, Abbot of Eynsham
1
Agricola, Alexander, 1446?-1506
1
American Institute of Musicology
1
Angermüller, Rudolph
1
Arnaut, Henri, -1466
1
Avril, François
1
Bach, Carl Philipp Emanuel, 1714-1788
1
Balsama, Abbot of Cava
1
Bannister, Henry Marriott, 1854-1919
1
Baxter, James Houston, 1894-1973
1
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