| Author | Popularity |
| Muller, Robert |
2 |
| Muller, Robert 1925-1998 |
2 |
| Knoll, Fritz, 1883-1981 1883-1981 Redner |
1 |
| Marchet, Arthur, 1892-1980 1892-1980 Redner |
1 |
| Muller, Robert 1923- |
1 |
| Müller, Robert |
1 |
| Müller, Robert B. |
1 |
| Müller, Robert Redner |
1 |
| Universität Wien |
1 |
