- FundoMG 146 - W.O. Kupsch fonds
- SérieJ. Audio-Visual Materials
- 25 mais...
- ItemWOK 1-26 - Relative movement of tectonic blocks in southern Netherland
- ItemWOK 1-27 - Area of the Netherlands affected by flood on 31 January, 1931
- ItemWOK 1-28 - Extent of flooding in southwestern Netherlands
- ItemWOK 1-29 - Dune erosion from gales , North of Bergen aan Zee
- ItemWOK 1-30 - Flooding of Brouwershaven, island of Schouwen
- ItemWOK 1-31 - Rescuing people from trees after flood
- ItemWOK 1-32 - Water flowing through damaged dikes
- ItemWOK 1-33 - Photograph of water flooding over dike.
- ItemWOK 1-34 - Breach in dike on island of Schouwen
- 2271 mais...