| Auteur | Pertinence |
| Stubbe, Heinrich |
3 |
| Fest, Joachim C. |
1 |
| Kohl, Helmut |
1 |
| Maier, Hans |
1 |
| Marder, Jürgen |
1 |
| Repgen, Konrad |
1 |
| Rheinischer Merkur |
1 |
| Roegele, Otto B. |
1 |
| Röhl, Klaus Rainer |
1 |
| Schönert, Walter |
1 |
| Steinbach, Peter |
1 |
| Stolten, Otto 1853-1928 |
1 |
| Stubbe, Heinrich 1864-1941 VerfasserIn |
1 |
| Voss, Rüdiger von |
1 |
| Wahl, Jürgen |
1 |
