Elodea canadensis CreatorAchttienribbe, Guus ?Date of creation1942CollectionThe art of knowledge: educational botanical wall charts 1870 - 1960
Plantengeografische districten in Nederland CreatorAchttienribbe, GuusDate of creation1935CollectionThe art of knowledge: educational botanical wall charts 1870 - 1960
Geologie van Z.-Limburg CreatorAchttienribbe, GuusDate of creation1935CollectionThe art of knowledge: educational botanical wall charts 1870 - 1960
Transection through Holland from Zandvoort to Bussum CreatorAchttienribbe, GuusDate of creation1935CollectionThe art of knowledge: educational botanical wall charts 1870 - 1960
Depth of postglacial peatdeposits in Holland in M.-A.P. CreatorAchttienribbe, GuusDate of creation1935CollectionThe art of knowledge: educational botanical wall charts 1870 - 1960
Peat in the Netherlands CreatorAchttienribbe, GuusDate of creation1935CollectionThe art of knowledge: educational botanical wall charts 1870 - 1960
Geranium pratense CreatorAchttienribbe, Guus ?Date of creation25-04-1905CollectionThe art of knowledge: educational botanical wall charts 1870 - 1960
Drosophila mutanten CreatorAchttienribbe, Guus ?Date of creation1934CollectionThe art of knowledge: educational botanical wall charts 1870 - 1960
Postglacial peat and marine clay deposits near Amsterdam CreatorAchttienribbe, GuusDate of creation1935CollectionThe art of knowledge: educational botanical wall charts 1870 - 1960