- Forel 578
- Auguste-Henri Forel 67
- A. Forel 51
- Auguste Forel 40
- Forel Auguste-Henri (Dr.) 31
- Forel Auguste-Henri 26
- Forel,A. 25
- Forel, Auguste-Henri 17
- Forel et al. 17
- Forel, A-H. 3
- Katona 1
- Forel | W. W. Froggatt 1
- Forel, A. 1
- Forel Auguste 1
- FOREL Auguste 1
- P. Biolley 1
- Forel, F.A. 1
- M. Smythies, Auguste-Henri Forel 1
- Aug Forel 1