| Verfasser | Häufigkeit |
| Block, Robert Paul 1942- |
7 |
| Block, Richard J. |
5 |
| Durrum, Emmett L. |
5 |
| Zweig, Gunter |
5 |
| Block, Axel |
4 |
| Loeillet de Gant, Jean Baptiste 1688-1720 |
4 |
| De Block, Greet |
3 |
| Block, Axel 1947- |
2 |
| Block, Gay |
2 |
| Block, Jean-Claude |
2 |
| Block, Joseph Guillaume de 1806-1862 |
2 |
| Block, Klaus |
2 |
| Block, Klaus-Dieter 1949- |
2 |
| Block, René 1942- |
2 |
| Block, Stanley B. 1939- |
2 |
| Block, Wolf-Dieter |
2 |
| Bousta, Faisl |
2 |
| Boustingorry, Pascal |
2 |
| Briandet, Romain |
2 |
| Danielsen, Bartley R. |
2 |