| Verfasser | Häufigkeit |
| Hopgood, Tim |
13 |
| Hopgood, Adrian A. |
7 |
| Hopgood, Stephen |
7 |
| Hopgood, Frank Robert Albert |
6 |
| Hopgood, Stephen 1965- |
6 |
| Hopgood, Frank R. A. |
5 |
| Hopgood, Jeromy |
4 |
| Duce, David A. |
3 |
| Hopgood, Frank R. |
3 |
| Hopgood, Susan |
3 |
| Vinjamuri, Leslie |
3 |
| Hopgood, Alan |
2 |
| Hopgood, Fincina |
2 |
| Hopgood, Frank R. A. 1935- |
2 |
| Hopgood, Miles |
2 |
| Leeuwen, Fred van |
2 |
| Snyder, Jack L. 1951- |
2 |
| Armstrong, Louis 1901-1971 |
1 |
| Benjamin, Peter |
1 |
| Bonn, Susanne 1967- |
1 |