| Author | Popularity |
| Fuchs, Karl 1902- |
2 |
| Fuchs, Karl Hans |
2 |
| Bock, Peter |
1 |
| Bosse, Heinrich |
1 |
| Fuchs, Karl |
1 |
| Fuchs, Karl 1881-1952 |
1 |
| Fuchs, Karl H. |
1 |
| Fuchs, Karl Heinz |
1 |
| Fuchs, Karl Heinz Herausgeber |
1 |
| Fuchs, Karl-Detlef |
1 |
| Fuchs, Karl-Heinz |
1 |
| Geschichtswerkstatt Köln-Kalk |
1 |
| Hiedl, Peter |
1 |
| Koßmann, Richard |
1 |
| Löbsack, Wilhelm |
1 |
| Milles, Dietrich 1949- |
1 |
| Reiß, Arthur |
1 |
| Streubel, Christel |
1 |
