Publication
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Zur Catalogisirung der ornithologischen Abtheilung Article
Notes from the Leyden Museum, 23(1), 1-14.January 1901
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An undescribed Natica Article
Notes from the Leyden Museum, 22(3), 188-188.January 1901
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Description d’une espèce nouvelle de Lebioderus de Sumatra Article
Notes from the Leyden Museum, 23(1), 15-16.January 1901
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Two new Malayan Lucanidae Article
Notes from the Leyden Museum, 22(3), 189-192.January 1901
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On Cephalophus Silvicultor (Afzelius) Article
Notes from the Leyden Museum, 22(3), 179-187.January 1901
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Tetragonopterus longipinnis, n. sp Article
Notes from the Leyden Museum, 23(2), 85-90.January 1901
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Zur Catalogisirung der Ornithologischen Abtheilung Article
Notes from the Leyden Museum, 23(2), 97-110.January 1901
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Zur Catalogisirung der ornithologischen Abtheilung Article
Notes from the Leyden Museum, 22(3), 129-161.January 1901