| Verfasser | Häufigkeit |
| Bakker, Jacobus W. de 1939-2012 |
6 |
| Meyer, John-Jules Ch. 1954- |
6 |
| Clark, John Desmond 1916-2002 |
4 |
| Van Zinderen Bakker, E. M. 1907-2002 |
4 |
| Alogna, Ivano |
2 |
| Bakker, Christine |
2 |
| Bakker, Lothar 1949- |
2 |
| Bakker, Paul J. J. M. 1966- |
2 |
| Gauci, Jean-Pierre |
2 |
| Ipgrave, Julia |
2 |
| Lüthy, Christoph 1964- |
2 |
| Olderog, Ernst-Rüdiger 1955- |
2 |
| Swan, Claudia 1963- |
2 |
| Zittel, Claus 1965- |
2 |
| Aegerter, P. |
1 |
| Avest, Ina ter 1948- |
1 |
| Babeliowsky, Martijn N. F. |
1 |
| Bakker, Boudewijn |
1 |
| Bakker, C. |
1 |
| Bakker, Christianus J. |
1 |