| Verfasser | Häufigkeit |
| Gdeisat, Munther |
4 |
| Lilley, Francis |
4 |
| Lilley, George P. |
4 |
| Ayldon, John 1943- |
2 |
| Conroy-Ward, James |
2 |
| Crosby, Bing 1903-1977 |
2 |
| Ellison, Jon 1930- |
2 |
| Goss, Julia |
2 |
| Gupta, Ashwani K. |
2 |
| Hale, Glyn |
2 |
| Head, Edith 1897-1981 |
2 |
| Holland, Lyndsie |
2 |
| Lilley, Barbara |
2 |
| Lilley, David G. |
2 |
| Lilley, G. M. |
2 |
| Monk, Kathryn A. |
2 |
| Nash, Royston 1933- |
2 |
| Rayner, Michael |
2 |
| Reed, John 1916-2010 |
2 |
| Reid, Meston 1946-1993 |
2 |