Ceutorhynchus Date of creation1902CollectionThe art of knowledge: educational botanical wall charts 1870 - 1960
Vezels van vlas, hennip, katoen etc. Date of creation19XXCollectionThe art of knowledge: educational botanical wall charts 1870 - 1960
Kroefziekte der uien Date of creation1902CollectionThe art of knowledge: educational botanical wall charts 1870 - 1960