| Verfasser | Häufigkeit |
| Fritschi, Werner 1936-2019 |
28 |
| Fritschi, Emil Karl |
15 |
| Fritschi, Alfred |
6 |
| Fritschi, Johann |
6 |
| Fritschi |
5 |
| Holzinger, H. |
4 |
| Fritschi, B. |
3 |
| Fritschi, Gerhard 1943- |
3 |
| Fritschi, Giselher |
3 |
| Fritschi, Hans-Josef 1958- |
3 |
| Fritschi, Karl 1928- |
3 |
| Fritschi, Oskar Felix |
3 |
| Fritschi, Tobias |
3 |
| Schremmer, Bernhard |
3 |
| Biedermann, Ernst |
2 |
| Fritschi, Anton N. |
2 |
| Fritschi, Bernhard |
2 |
| Fritschi, Ernst |
2 |
| Fritschi, Eugen 1963- |
2 |
| Fritschi, Hans |
2 |