| Verfasser | Häufigkeit |
| Heslop-Harrison, John |
7 |
| Heslop-Harrison, Jack 1920-1998 |
3 |
| Heslop-Harrison, John 1959- |
3 |
| Heslop-Harrison, J. |
2 |
| Cooke, R. B. |
1 |
| Heslop-Harrison, John William 1881-1967 |
1 |
| Jackson, Benjamin Daydon 1846-1927 |
1 |
| Knox, R. Bruce |
1 |
| Linskens, Hans F. 1921-2007 |
1 |