Pediastrum boryanum B CreatorLensvelt, FritsDate of creation1948CollectionThe art of knowledge: educational botanical wall charts 1870 - 1960
Pediastrum boryanum A CreatorLensvelt, FritsDate of creation1948CollectionThe art of knowledge: educational botanical wall charts 1870 - 1960
Scèneafbeelding van Koning Oedipus CreatorLensvelt, FritsDate of creation1913CollectionA look at theatre
Systematische indeling Plantenrijk CreatorLensvelt, FritsDate of creation1940CollectionThe art of knowledge: educational botanical wall charts 1870 - 1960
Chara CreatorLensvelt, FritsDate of creation02-05-1905CollectionThe art of knowledge: educational botanical wall charts 1870 - 1960
Nitella, Habitus etc. CreatorLensvelt, FritsDate of creation1949CollectionThe art of knowledge: educational botanical wall charts 1870 - 1960
Chara, stengeltop etc. CreatorLensvelt, FritsDate of creation1949CollectionThe art of knowledge: educational botanical wall charts 1870 - 1960