Publication
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Neue europäische Aphiochaeta-Arten III (Phoridae, Dipt.) Article
Entomologische Berichten, 5(107), 139-146.January 1919
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Nieuwe vondsten voor de Nederlandsche Co!eopteren-fauna XXII Article
Entomologische Berichten, 5(107), 146-149.January 1919
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Rupsenbeschrijvingen IV Article
Entomologische Berichten, 5(107), 149-151.January 1919
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De pop van Pararge megaera L. Article
Entomologische Berichten, 5(107), 151-152.January 1919
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Papilio hector L. van Sabang Article
Entomologische Berichten, 5(107), 152-152.January 1919
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Varia Entomologica III Article
Entomologische Berichten, 5(108), 153-155.January 1919
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Pristiphora fausta Htg. Article
Entomologische Berichten, 5(108), 155-158.January 1919
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Errata op p.p. 141, 143 en 146 [Ent. Ber. 5, 1919] Article
Entomologische Berichten, 5(108), 159-159.January 1919