1
Graef, Jacob vander
| Leffen, Pieter |
1900
2
Hanedoesius, Johannes
| Leffen, Pieter |
1900
3
Hanedoesius, Johannes
| Leffen, Pieter |
1900
4
Horn, Georg
| Elsevirium, J & Leffen, Pieter |
1900
5
Porta, Giambattista della
| Leffen, Pieter |
1900
6
Revius, Jacobus
| Leffen, Pieter |
1900