13
| Friedrich Andreas Perthes |
1881
14
Klostermann, August
| Friedrich Andreas Perthes |
1881
15
Schultz, Hermann
| Friedrich Andreas Perthes |
1881
16
Schmidt, Hermann
| Friedrich Andreas Perthes |
1881
18
Beyschlag, Willibald
| Friedrich Andreas Perthes |
1876
19
Koelling, Heinrich.
| Friedrich Andreas Perthes |
1875
20
Baur, Gustav
| Friedrich Andreas Perthes |
1875