Publication
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Die Arten der Brenthiden Gattung Calodromus Article
Notes from the Leyden Museum, 32(2/3), 177-183.January 1910
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Verslag. Omtrent den toestand van ’s Rijks Herbarium gedurende het jaar 1909/1910 Article
Mededeelingen van 's Rijks Herbarium, Leiden, 6(1), 79-90.January 1910
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Beiträge zur Kenntniss von Calamites undulatus Sternb Article
Mededeelingen van 's Rijks Herbarium, Leiden, 2(1), 41-57.January 1910
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Die Boerhaave’schen Copien der Abbildungen des Botanicon Americanum von Plumier Article
Mededeelingen van 's Rijks Herbarium, Leiden, 5(1), 75-75.January 1910
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Paraperipatus Lorentzi Horst, a new Peripatus from Dutch New Guinea Article
Notes from the Leyden Museum, 32(4), 217-218.January 1910
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On a new form of the genus Psephotus Article
Notes from the Leyden Museum, 32(1), 71-72.January 1910
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A new Helota-species from Kondué (Belgian Congo) Article
Notes from the Leyden Museum, 32(4), 219-222.January 1910
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Chrysopteron Bartelsii, novum genus et nova species, from Java Article
Notes from the Leyden Museum, 32(1), 73-77.January 1910