| Autor | Częstotliwość |
| Borchardt, Knut, 1929-2023 02.06.1929-05.02.2023 |
29 |
| Borchardt, Rudolf |
16 |
| Borchardt, Knut |
13 |
| Borchardt, Julian 1868-1932 |
12 |
| Borchardt, Knut 1929- |
9 |
| Bor, Josef |
8 |
| Borchardt, Elisabeth |
7 |
| Borchardt, Wolfgang |
7 |
| Cipolla, Carlo M. 1922-2000 |
7 |
| Borchardt, Julian |
6 |
| Borchardt, Knut 1929-2023 |
6 |
| Weber, Max 1864-1920 |
6 |
| Borchardt, Elisabeth 1911-2000 |
5 |
| Borchardt, Rudolf 1877-1945 |
4 |
| Borchardt, Ulrike |
4 |
| Stolper, Gustav |
4 |
| Wallstein-Verlag |
4 |
| Abel, Wilhelm, 1904-1985 1904-1985 |
3 |
| Aubin, Hermann, 1885-1969 1885-1969 Herausgeber |
3 |
| Baier, Horst, 1933-2017 1933-2017 Herausgeber |
3 |
