| Author | Popularity |
| Amanda Daley |
2 |
| Robert U. Newton |
2 |
| Willem van Mechelen |
2 |
| A McConnachie |
1 |
| AM May |
1 |
| Alejandro Lucia |
1 |
| Alex McConnachie |
1 |
| Andrew M. Lane |
1 |
| Anne M. May |
1 |
| CE Short |
1 |
| CM Ulrich |
1 |
| Camille E. Short |
1 |
| Clyde Williams |
1 |
| DA Galvaõ |
1 |
| DR Taaffe |
1 |
| Daniel A. Galvao |
1 |
| Dennis R. Taaffe |
1 |
| Duane V. Knudson |
1 |
| EL James |
1 |
| Edward M. Winter |
1 |
| Ellen van Weert |
1 |
| Erica L. James |
1 |
| F Nollet |
1 |
| F.B. Carl Brookes |
1 |
| Fernando Herrero-Roman |
1 |
| Frans Nollet |
1 |
| Fred Yeadon |
1 |
| GS Sonke |
1 |
| Gabe S. Sonke |
1 |
| Gill Arbane |
1 |
| Grant Abt |
1 |
| H Knoop |
1 |
| HS Oldenburg |
1 |
| Hans Knoop |
1 |
| Hester S. Oldenburg |
1 |
| Howard G. Knuttgen |
1 |
| I Mesters |
1 |
| IM Verdonck-De Leeuw |
1 |
| Ilse Mesters |
1 |
| Irma M. Verdonck-de Leeuw |
1 |
| J Brug |
1 |
| J Wenzel |
1 |
| J Wiskemann |
1 |
| JK Van Vulpen |
1 |
| Jennifer Wenzel |
1 |
| Joachim Wiskemann |
1 |
| Johannes Brug |
1 |
| John H. Challis |
1 |
| Jonna K. van Vulpen |
1 |
| K Steindorf |
1 |