- CollectieR14 - Ronald Turner Ralph Collection
- Reeks4 - Box 4
- Stuk1 - Introductory course in differential equations for students in classical and engineering colleges
- Stuk2 - An elementary treatise on coordinate geometry of three dimensions
- Stuk3 - Elementary algebra
- Stuk4 - An introductory course of chemistry
- Stuk5 - A text-book of heat
- 15 more...