| Author | Popularity |
| Knapp, F. (Friedrich), 1814-1904 |
2 |
| Richardson, Thomas |
2 |
| Ronalds, Edmund |
2 |
| Aboubacar Ballo |
1 |
| Alimata Ousséni Tall |
1 |
| Anaïs Galli |
1 |
| Andrea Tamas |
1 |
| Barber, Benjamin R. (Benjamin Reynolds), 1939- |
1 |
| Bruno Pascual |
1 |
| Carola Bänziger |
1 |
| Curtis, Michael, 1923- |
1 |
| DM Hicks |
1 |
| Edwin Baynes |
1 |
| Friedrich, Carl J. (Carl Joachim), 1901- |
1 |
| Friedrich, John |
1 |
| G Stecca |
1 |
| H Friedrich |
1 |
| Hassane Dembélé |
1 |
| Hollingdale, R. J. (Reginald John), 1930- |
1 |
| Issa Younan |
1 |
| J Tunnicliffe |
1 |
| Kamboulbé Dah |
1 |
| Kaynor, Richard Smith |
1 |
| Kim Müller, |
1 |
| Klante, Dieter |
1 |
| Mamadou Sory Keïta |
1 |
| Maryna Peter |
1 |
| Max Friedrich |
1 |
| Meacham, John A. |
1 |
| Miriam Harter |
1 |
| Nietzsche, Friedrich Wilhelm, 1844-1900 |
1 |
| Ola Sa’o |
1 |
| R Measures |
1 |
| Riegel, Klaus Friedrich |
1 |
| Rutledge, Abbie |
1 |
| Röttger, Ernst |
1 |
| Salzmann, Friedrich |
1 |
| Schultz, Konrad Friedrich |
1 |
| Stefano Osti |
1 |
| Sébastien R. Mercier |
1 |
| Yaman Abuzahra |
1 |
| Zainab Abdulkarim, |
1 |