| Verfasser | Häufigkeit |
| Austin, William |
2 |
| Badger, Clarence G. |
2 |
| Badger, Gerry 1946- |
2 |
| Badger, Simon |
2 |
| Bow, Clara |
2 |
| Glyn, Elinor |
2 |
| Henn, Johannes M. 1980- |
2 |
| Martin, H. Kinley |
2 |
| Moreno, Antonio |
2 |
| Plefka, Jan C. 1968- |
2 |
| Sternberg, Josef von |
2 |
| Zoia, Simone 1992- |
2 |
| Augschöll, Daniel 1985- |
1 |
| Badger, Giles |
1 |
| Badger, Howard |
1 |
| Badger, Sue |
1 |
| Bell, Simon |
1 |
| Bool, Flip 1947- |
1 |
| Boom, Mattie 1957- |
1 |
| Brickell, James |
1 |