Page, Christopher, 1952- 16 Guillaume, de Machaut, approximately 1300-1377 14 Sequentia (Musical group) 14 Hildegard, Saint, 1098-1179 12 Gillingham, Bryan 9 Gothic Voices 9 Thornton, Barbara 9 Bagby, Benjamin 8 Catholic Church 8 Seay, Albert 8 Bibliothèque nationale de France 7 Coussemaker, Charles Edmond Henri de, 1805-1876 7 Landini, Francesco, approximately 1325-1397 7 Gallo, F. Alberto 6 Adam, de La Halle, approximately 1235-approximately 1288 5 British Library 5 Cohen, Joel, 1942- 5 Dia, comtessa de, active 12th century-13th century 5 Guido, d'Arezzo 5 McGee, Timothy J. 1936- 5 Pérotin, -1238? 5 Reaney, Gilbert 5 Rodenkirchen, Norbert, 5 Santosuosso, Alma Colk, 1947- 5 Codax, Martín, active approximately 1230 4 Dittmer, Luther A. 4 Harrison, Frank Ll. 1905-1987 4 Hiley, David 4 Johannes, de Florentia, active 1340-1350 4 Plainsong and Mediaeval Music Society (Great Britain) 4 Schrade, Leo, 1903-1964 4 Solage, active 1370-1390 4 Vitry, Philippe de, 1291-1361 4 Alfonso X, King of Castile and Leon, 1221-1284 3 Bayerische Staatsbibliothek 3 Berger, Anna Maria Busse 3 Bernart, de Ventadorn, active 12th century 3 Besseler, Heinrich, 1900-1969 3 Biblioteca apostolica vaticana 3 Boethius, -524 3 Boston Camerata 3 Chailley, Jacques, 1910-1999 3 Ciconia, Johannes, approximately 1335-1411 3 Crocker, Richard L. 3 Cyrus, Cynthia J. 3 Dunstable, John, approximately 1390-1453 3 Early Music Consort of London 3 Ensemble organum 3 Everist, Mark 3 Gilles, André 3 Guido, de Sancto Dionysio, 3 Institute of Mediaeval Music 3 Jeffreys, Catherine, 1969- 3 Jehannot, de l'Escurel, -1304 3 Kammen, Shira 3 Lorenzo, da Firenze, -1372 or 1373 3 McKinnon, James W., 1932-1999 3 Mealy, Robert 3 Munrow, David 3 Murray, Russell Eugene 3 Palisca, Claude V. 3 Pesce, Dolores 3 Petrus, de Cruce, active 13th century 3 Pérès, Marcel, 1956- 3 Reese, Gustave, 1899-1977 3 Ristory, Heinz 3 Roesner, Edward H. 3 Smits van Waesberghe, Joseph, 1901-1986 3 Switten, Margaret Louise 3 Tischler, Hans, 1915-2010 3 Ultan, Lloyd, 1929-1998 3 Van der Werf, Hendrik, 1926- 3 Weiss, Susan Forscher 3 Wilkins, Nigel, 1936- 3 Williams, Carol J. 3 Zachara da Teramo, Antonio 3 Aaron, Pietro 2 Abelard, Peter, 1079-1142 2 Alla Francesca (Musical group) 2 Altramar (Musical group) 2 Anglès, Higini, 1888-1969 2 Anonymous 4 (Musical group) 2 Arnaut Daniel, active 1180-1200 2 Auda, Antoine 2 Bailey, Terence 2 Baltzer, Rebecca A. 1940- 2 Bassler, Samantha, 2 Bent, Margaret, 2 Bertran, de Born, 1140?-1215 2 Biblioteca capitolare (Benevento, Italy) 2 Biblioteca nazionale centrale di Firenze 2 Binkley, Thomas 2 Blondel, de Nesle, active 12th century 2 Bower, Calvin M., 1938- 2 Bowles, Edmund A. 1925- 2 Brown, Howard Mayer 2 Bukofzer, Manfred F., 1910-1955 2 Butler, Katherine (Music tutor), 2 Cattin, Giulio 2 Colin Muset 2