Publication
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Trachypholini, Colydiidarum nove tribus Article
Notes from the Leyden Museum, 33(2/3), 121-168.January 1911
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Report on Birds from the Netherlands received from 1 September 1910 till 1 September 1911 Article
Notes from the Leyden Museum, 34(1), 37-43.January 1911
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Bird-marking in the Netherlands Article
Notes from the Leyden Museum, 34(1), 55-58.January 1911
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Description d’un Antherophagus de Java et de sa larve (Coleoptera: Cryptophagidae) Article
Notes from the Leyden Museum, 33(2/3), 117-120.January 1911
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On a probably new species of the genus Cercopithecus Article
Notes from the Leyden Museum, 34(1), 1-3.January 1911
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On the synonymy of Pherecardia lobata Horst Article
Notes from the Leyden Museum, 34(1), 17-21.January 1911
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On the Catalogue of the collection of Birds brought together by A. Vroeg Article
Notes from the Leyden Museum, 34(1), 66-69.January 1911
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On the West-African species of the subgenus Eupalaemon Ortm Article
Notes from the Leyden Museum, 33(4), 261-264.January 1911