- ArchiefMG 146 - W.O. Kupsch fonds
- ReeksJ. Audio-Visual Materials
- 475 more...
- StukWOK 4-39 - Third glacial period (Wurm)
- StukWOK 4-40 - Late glacial period - old moraine landscape
- StukWOK 4-41 - Present stage - old moraine landscape
- StukWOK 4-42 - Genetic stage of plateau hills in ice-melting period
- StukWOK 4-43 - Plateau hill landscape
- StukWOK 4-44 - Ice-lake stage flat hills
- StukWOK 4-45 - Tapping stage of flat hills
- StukWOK 4-46 - Present stage of flat hills
- StukWOK 4-47 - Formation of esker in ice-age
- 1821 more...