Publication
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Some galls from the island of Enggano Article
Blumea: Biodiversity, Evolution and Biogeography of Plants, 3(3), 405-410.January 1940
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Notes on the nomenclature of some grasses Article
Blumea: Biodiversity, Evolution and Biogeography of Plants, 3(3), 411-480.January 1940
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Bibliographical Note Article
Blumea: Biodiversity, Evolution and Biogeography of Plants, 3(3), 583-584.January 1940
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Mollusks of the Genera Cerion and Tudora Article
Studies on the Fauna of Curaçao and other Caribbean Islands, 2(1), 43-82.January 1940
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Mammals of the Genera Odocoileus and Sylvilagus Article
Studies on the Fauna of Curaçao and other Caribbean Islands, 2(1), 83-108.January 1940
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Some notes on a collection of aquatic phanerogams from the Netherlands West Indian Islands, and from Venezuela and Columbia Article
Mededelingen van het Botanisch Museum en Herbarium van de Rijksuniversiteit te Utrecht, 74(1), 705-708.January 1940
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New or noteworthy Euphorbiaceae from Suriname Article
Mededelingen van het Botanisch Museum en Herbarium van de Rijksuniversiteit te Utrecht, 73(1), 697-704.January 1940
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On Urophyllum Wall. (Rubiaceae) and its nearest allies Article
Mededelingen van het Botanisch Museum en Herbarium van de Rijksuniversiteit te Utrecht, 76(1), 171-197.January 1940