| Verfasser | Häufigkeit |
| Anderson, Judith H. 1940- |
1 |
| Caroe, Olaf 1892-1981 |
1 |
| Cheney, Patrick Gerard 1949- |
1 |
| Hays, Michael L. 1940- |
1 |
| Hile, Rachel E. |
1 |
| Horton, Ronald Arthur 1936- |
1 |
| Lethbridge, J. B. 1958- |
1 |
| Nelson, Karen L. 1965- |
1 |
| Oldrieve, Susan |
1 |
| Prescott, Anne Lake 1936- |
1 |
| Rapp, Thomas |
1 |
| Reid, Patrick 1924- |
1 |
| Reid, Robert Lanier 1943- |
1 |