| Verfasser | Häufigkeit |
| Burke, Anthony J. |
3 |
| Camón Aznar, José 1898-1979 |
3 |
| Pombeiro, Armando J. |
3 |
| Silva Marques, Carolina 1981- |
3 |
| Silva, M. Fátima C. Guedes da 1958- |
3 |
| Velázquez, Diego Rodríguez de Silva y 1599-1660 |
3 |
| Bowie, Lester 1941-1999 |
2 |
| Burrell, Dave 1940- |
2 |
| Cienki, Alan J. 1959- |
2 |
| Favors, Malachi 1937-2004 |
2 |
| Jones, Arthur |
2 |
| Kopylovich, Maximilian N. 1970- |
2 |
| Mahmudov, Kamran T. 1980- |
2 |
| McNeill, David 1933- |
2 |
| Mitchell, Roscoe 1940- |
2 |
| Murray, Sunny 1937-2017 |
2 |
| Müller, Cornelia 1960- |
2 |
| Shepp, Archie 1937- |
2 |
| Silva, Alan 1939- |
2 |
| Silva, Nuno Vassallo e 1961- |
2 |