Mozaiek : lichaampjes CreatorZweep, D. van der (tekenaar)Date of creation1930CollectionThe art of knowledge: educational botanical wall charts 1870 - 1960
Marsonia graminicola (Ell et EV. Sacc.) CreatorZweep, D. van der (tekenaar)Date of creation1930CollectionThe art of knowledge: educational botanical wall charts 1870 - 1960