| title | author | publisher | bookcover |
|---|---|---|---|
| Filosofie en politiek | Ad Peperzak | Ambo |  |
| title | author | publisher | bookcover |
|---|---|---|---|
| Systematiek en geschiedenis | Ad Peperzak | Samson |  |
| title | author | publisher | bookcover |
|---|---|---|---|
| Filosofie en politiek | Ad Peperzak | Ambo | |
| title | author | publisher | bookcover |
|---|---|---|---|
| Systematiek en geschiedenis | Ad Peperzak | Samson | |