| Verfasser | Häufigkeit |
|---|---|
| Ibach, Karl | 11 |
| Ibach, Peter K. | 2 |
| Ibach, Alfred 1902-1948 | 1 |
| Ibach, Harald 1941- | 1 |
| Ibach, Helmut 1912-1996 | 1 |
| Ibach, K. | 1 |
| Ibach, Katharina | 1 |
| Kohl, Dieter | 1 |
| Krabusch, Susanne | 1 |
| Kuhn, Ferdinand 1888- | 1 |
| Lüth, Hans 1940- | 1 |
| Malek, Miroslaw | 1 |
| Sander, Wilhelm 1929- | 1 |
| Skowronnek, Karl | 1 |
| Spang, Stefan | 1 |
| Weigel, Hans 1908-1991 | 1 |