| Verfasser | Häufigkeit |
| Gagnon, Alain-G. 1954- |
8 |
| Bickerton, James |
4 |
| Gagnon, Joseph E. |
4 |
| Cagiao y Conde, Jorge 1976- |
3 |
| Chopin, Frédéric 1810-1849 |
3 |
| Gagnon, Robert A. J. 1958- |
3 |
| Rose, Andrew 1959- |
3 |
| Chandonnet, Jacques 1947- |
2 |
| Gagnon, Alain 1938-2017 |
2 |
| Gagnon, Alain-G |
2 |
| Gagnon, Joseph |
2 |
| Gagnon, Paul-André 1947- |
2 |
| Adams, Gwyn |
1 |
| Albéniz, Isaac 1860-1909 |
1 |
| Alexander, Lewis |
1 |
| Alexander, Lewis S. |
1 |
| Bach, Johann Sebastian 1685-1750 |
1 |
| Barat, J. Ed. 1882-1963 |
1 |
| Bayoumi, Tamim A. |
1 |
| Bolet, Jorge 1914-1990 |
1 |