Publication
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On Bombus senex Voll. (Hymenoptera Aculeata) Article
Notes from the Leyden Museum, 36(3/4), 175-176.January 1914
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Homopteren von Java, gesammelt von Herrn Edw. Jacobson Article
Notes from the Leyden Museum, 36(1/2), 91-147.January 1914
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Two new Asiatic species of the Coleopterous genus Helota Article
Notes from the Leyden Museum, 36(1/2), 57-59.January 1914
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Apogonia Loizeaui, n. sp Article
Notes from the Leyden Museum, 36(3/4), 163-164.January 1914 -
Fauna Simalurensis. Coleoptera, fam. Lamellicornia, tribus Cetonini Article
Notes from the Leyden Museum, 36(3/4), 162-162.January 1914
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A new Sumatran Longicorn Beetle Article
Notes from the Leyden Museum, 36(3/4), 191-192.January 1914
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On the differences between Danais Limniace, Cram. and Danais melissa Cram Article
Notes from the Leyden Museum, 36(1/2), 54-56.January 1914
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Fauna Simalurensis. Amphibia Article
Notes from the Leyden Museum, 36(3/4), 259-262.January 1914