Publication
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On some new or little known Indo-Malayan Noctuids (Lepidoptera Heterocera, family Agrotidae) Article
Zoologische Mededelingen, 23(2), 13-30.January 1941
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Notes on Malay Compositae Article
Blumea: Biodiversity, Evolution and Biogeography of Plants, 4(3), 482-492.January 1941
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On the remains of carnivora from cave deposits in Java and Sumatra, with notes on Recent specimens : I Article
Zoologische Mededelingen, 23(8), 114-148.January 1941
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On a remarkable composite Diamond Article
Leidse Geologische Mededelingen, 13(1), 63-69.January 1942
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Notizen über Thatcheria Angas, Clinura Bellardi und Clinuropsis Vincent Article
Leidse Geologische Mededelingen, 13(1), 356-367.January 1942
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Mollusken aus dem Tertiär des Ostindischen Archipels Article
Leidse Geologische Mededelingen, 13(1), 218-254.January 1942
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Contribution à l’étude geologique des Collines de Monferrato (Italie) Article
Leidse Geologische Mededelingen, 13(1), 172-188.January 1942
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Kwartaire Bovidae van Nederland. De schedels en hoornpitten, welke zich bevinden in het Rijksmuseum van Geologie te Leiden Article
Leidse Geologische Mededelingen, 13(1), 1-28.January 1942