Publication
-
Über due flora des mindel-riss-interglazials in den Niederlanden Article
Mededelingen van het Botanisch Museum en Herbarium van de Rijksuniversiteit te Utrecht, 88(1), 176-188.January 1942
-
Novitates burseracearum Article
Mededelingen van het Botanisch Museum en Herbarium van de Rijksuniversiteit te Utrecht, 89(1), 189-210.January 1942
-
A monograph of the genus Protium and some allied genera (Burseraceae) Article
Mededelingen van het Botanisch Museum en Herbarium van de Rijksuniversiteit te Utrecht, 90(1), 211-446.January 1942
-
On the taxonomic position of Eucommia ulmoides Oliv. (Eucommiaceae) Article
Blumea: Biodiversity, Evolution and Biogeography of Plants, 5(1), 81-92.January 1942
-
On quantitative statistical methods in taxonomy; subdivision of a Polymorphous species: Planchonella sandwicensis (Gray) Pierre Article
Blumea: Biodiversity, Evolution and Biogeography of Plants, 5(1), 47-65.January 1942
-
A tentative list of wild Pacific Sapotaceae, except those from New Caledonia Article
Blumea: Biodiversity, Evolution and Biogeography of Plants, 5(1), 1-46.January 1942
-
Notes on Javanese Verbenaceae Article
Blumea: Biodiversity, Evolution and Biogeography of Plants, 5(1), 66-80.January 1942
-
On the occurrence of Helicigona lapicida (L.) (Mollusca, Gastropoda) in the Netherlands Article
Zoologische Mededelingen, 24(11), 276-280.January 1942