| Verfasser | Häufigkeit |
| Gribben, Crawford 1974- |
9 |
| Gorgas, William Crawford |
7 |
| Gribben, Crawford |
7 |
| Crawford, Charles G. |
5 |
| Armstrong, C. G. |
4 |
| Benham, Peter P. |
4 |
| Crawford, Joan 1904-1977 |
4 |
| Crawford, Roy J. |
4 |
| Gable, Clark 1901-1960 |
4 |
| Crawford, Ken |
3 |
| Garrod, Charles |
3 |
| Gates, Crawford |
3 |
| Kressley, Dave |
3 |
| Marsh, Oliver T. 1892-1941 |
3 |
| Astaire, Fred 1899-1987 |
2 |
| Crawford-Garrett, Katherine |
2 |
| Greenburg, Jan Crawford |
2 |
| Johnson, Mark R. |
2 |
| Tweeddale, John W. |
2 |
| Adamson, Harold 1906-1980 |
1 |