| Verfasser | Häufigkeit |
| Köller, Ernst |
177 |
| Koller, Erwin |
28 |
| Koller, Eugen |
23 |
| Koller, Dagmar 1939- |
21 |
| Koller-Glück, Elisabeth |
16 |
| Copeland, Thomas E. 1946- |
12 |
| Koller, Tim |
12 |
| Murrin, Jack |
12 |
| Koller, Ernst |
11 |
| Koller, Ekaterina Emeliantseva 1971- |
10 |
| Kollo, René 1937- |
10 |
| Koller, E. Fred |
9 |
| Köller, Olaf 1963- |
9 |
| Koller, Alexander Eugen 1971- |
8 |
| Koller, Edeltraud 1970- |
8 |
| Koller, Engelbert |
8 |
| Koller, Erich |
8 |
| Koller, Eugen 1900- |
8 |
| Zdrazil, Hedwig |
8 |
| Klieme, Eckhard 1954- |
7 |