Publication
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The non-marine Molluscs of Surinam Article
Notes from the Leyden Museum, 36(1/2), 1-46.January 1914
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Zonopterus perversus, n. sp Article
Notes from the Leyden Museum, 36(1/2), 60-60.January 1914
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Descriptions of a new genus and some new or interesting species of Planipennia Article
Notes from the Leyden Museum, 36(3/4), 263-270.January 1914
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Fauna Simalurensis. Lepidoptera Rhopalocera, fam. Lycaenidae Article
Notes from the Leyden Museum, 36(3/4), 190-190.January 1914
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Wann löste sich das Gebiet des Indischen Archipels von der Tethys? Article
Sammlungen des Geologischen Reichs-Museums in Leiden. Serie 1, Beiträge zur Geologie Ost-Asiens und Australiens, 9(1), 337-355.January 1914
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Miocäne Gastropoden von Ost-Borneo Article
Sammlungen des Geologischen Reichs-Museums in Leiden. Serie 1, Beiträge zur Geologie Ost-Asiens und Australiens, 9(1), 326-336.January 1914
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Fauna Simalurensis. Coleoptera, fam. Tenebrionidae Article
Notes from the Leyden Museum, 36(1/2), 61-80.January 1914
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On a new variety of Ampullaria crassa Swainson from French Guyana Article
Notes from the Leyden Museum, 36(1/2), 47-48.January 1914