| Author | Popularity |
| Hancock, W. K. (William Keith), 1898-1988 |
5 |
| Smuts, Jan Christiaan, 1870-1950 |
5 |
| Van der Poel, Jean |
5 |
| A Dietrich |
1 |
| A Heathcote |
1 |
| A. Davis |
1 |
| A.D.L. Hancock |
1 |
| AB Adler |
1 |
| AJ Tucker |
1 |
| AM Lane |
1 |
| AM Williams |
1 |
| Adéla Becková |
1 |
| Ailsa E Millen |
1 |
| Axel Buchner |
1 |
| Barbara Treccani |
1 |
| Blakeley B McShane |
1 |
| Brenda Ocampo |
1 |
| C Harper |
1 |
| C MacMahon |
1 |
| C Meijen |
1 |
| C Ruiz |
1 |
| C Sobrino |
1 |
| Callender, John Hancock |
1 |
| Celia Goffin |
1 |
| Christine K Chrystall |
1 |
| Claudio Mulatti |
1 |
| D Boga |
1 |
| D O'Connor |
1 |
| D O’Conor |
1 |
| D Patton |
1 |
| D Stewart |
1 |
| Damiano De Marco |
1 |
| Daniel Ansari |
1 |
| Dion T Henare |
1 |
| Donna Bryce |
1 |
| Dénes Szűcs |
1 |
| E Aidman |
1 |
| E Nalivaiko |
1 |
| EK Hussey |
1 |
| Edward M Hubbard |
1 |
| Elise Klein |
1 |
| Elizabeth Y Toomarian |
1 |
| FP McKenna |
1 |
| GJ Fogarty |
1 |
| GM Moyle |
1 |
| H Moriah Sokolowski |
1 |
| H van Stralen |
1 |
| Hancock, J. C. |
1 |
| Hancock, Robert Spencer |
1 |
| Hans-Christoph Nuerk |
1 |