| Verfasser | Häufigkeit |
| Feindt, Johann 1951- |
2 |
| George, Götz 1938-2016 |
2 |
| Haberlandt, Fritzi 1975- |
2 |
| Kaiser, Daniel Michael 1976- |
2 |
| Kleinert, Andreas 1962- |
2 |
| Käfer, Karl-Heinz 1948- |
2 |
| Sukowa, Barbara 1950- |
2 |
| Bishop, R. Doak |
1 |
| Greenstein, George 1940- |
1 |
| Kaiser, David I. 1971- |
1 |
| Kaiser, Gordon E. |
1 |
| Rowley, J. William |
1 |