Publication
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Synopsis and List of the Helota-species known from Insulinde, with description of a new species from the Island of Sumbawa Article
Notes from the Leyden Museum, 31(1), 181-185.January 1909
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New genera and species of Megaloptera Latr Article
Notes from the Leyden Museum, 30(4), 249-264.January 1909
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Neue Aphodiinen und einige synonymische Bemerkungen Article
Notes from the Leyden Museum, 31(1), 101-124.January 1909
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Ueber einige von Herrn E. Jacobson auf Java gesammelte Trichopteren Article
Notes from the Leyden Museum, 32(1), 47-66.January 1910
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On the generic name Passerina Vieillot Article
Notes from the Leyden Museum, 32(1), 32-32.January 1910
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On the genus Chloeia with some new species from the Malay-Archipelago, partly collected by the Siboga-Expedition Article
Notes from the Leyden Museum, 32(2/3), 169-175.January 1910
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An overlooked Heron of the javan ornis Article
Notes from the Leyden Museum, 32(4), 210-210.January 1910
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Description of a Shrew from Surinam Article
Notes from the Leyden Museum, 32(2/3), 167-168.January 1910