| Verfasser | Häufigkeit |
| Bulla, Clyde Robert |
33 |
| Bulla, Clyde R. |
4 |
| Bulla, Clyde Robert 1914-2007 |
4 |
| Bulla, Lee A. |
4 |
| Cheng, Thomas C. |
4 |
| Bulla, Constantin |
3 |
| Bulla, Christine ca. 20./21. Jh |
2 |
| Bulla, Steve 1953- |
2 |
| Götz, Maya 1967- |
2 |
| Aichinger, Helga 1937-2021 |
1 |
| Black Dyke Mills Band |
1 |
| Boix Lluch, Isidor 1939- |
1 |
| Bulla aurea Carli IV. lat |
1 |
| Bulla, Carl F. |
1 |
| Bulla, Christine |
1 |
| Bulla, Flaminia |
1 |
| Bulla, Jürgen 1975- |
1 |
| Cardoza Bulla, Guillermo |
1 |
| Cucchi, Alessandro |
1 |
| Curnow, Jim 1943- |
1 |