![]()
- Rade, Martin (1 Titles)
- Rehmke, Johannes (6 Titles)
- Reicke, R. (5 Titles)
- Reinhardt, Max (1 Titles)
- Reininger, Robert (1 Titles)
- Renouvier, Charles (1 Titles)
- Reuter, Gabriele (1 Titles)
- Ribot, T. (2 Titles)
- Richter, Hans (1 Titles)
- Richter, R. (3 Titles)
- Rickert, H. (18 Titles)