| Verfasser | Häufigkeit |
| Cain, Michael L. 1956- |
4 |
| Franzen, Hans 1935-1993 |
4 |
| Minorsky, Peter V. |
4 |
| Reece, Arley 1945- |
4 |
| Reece, Jane B. 1944- |
4 |
| Urry, Lisa A. |
4 |
| Wasserman, Steven A. |
4 |
| Akhtar, Reece |
3 |
| Chamorro-Premuzic, Tomas |
3 |
| Leutner, Franziska |
3 |
| Araiza, Francisco 1950- |
2 |
| Auguiste, Reece |
2 |
| Berner, Heinz |
2 |
| Brahn, Lux |
2 |
| Brecht, Bertolt 1898-1956 |
2 |
| Brettschneider, Klaus |
2 |
| Brunner, Armin 1933- |
2 |
| Dene, József 1938- |
2 |
| Esswood, Paul 1942- |
2 |
| Estes, Simon 1938- |
2 |