| Verfasser | Häufigkeit |
| Axer, Peter 1965- |
2 |
| Eifert, Martin 1965- |
2 |
| Huber, Peter Michael 1959- |
2 |
| Kersten, Jens 1967- |
2 |
| Kießling, Adolf 1837-1893 |
2 |
| Kießling, Andrea 1981- |
2 |
| Kießling, Friedrich 1970- |
2 |
| Robert, Carl 1850-1922 |
2 |
| Rothauge, Caroline |
2 |
| Röhl, Hans Christian 1964- |
2 |
| Schmidt-Aßmann, Eberhard 1938- |
2 |
| Schoch, Friedrich 1952- |
2 |
| Unger, Sebastian 1975- |
2 |
| Blomann, Yvonne |
1 |
| Breyer, Cornelius 1969- |
1 |
| Brockmann, Oliver |
1 |
| Bühl-Gramer, Charlotte 1963- |
1 |
| Epkenhans, Michael 1955- |
1 |
| Fohrer, Günther 19XX- |
1 |
| Geppert, Dominik 1970- |
1 |