Publication
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A rectification [Microlepidoptera of New Guinea, part V: p. 98—100] Article
Entomologische Berichten, 28(3), 41-41.January 1968
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Verslag van de 13de Lentevergadering Article
Entomologische Berichten, 28(3), 42-49.January 1968
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The generic and subgeneric names of the European Julidae generally referred to Schizophyllum Verhoeff, 1895, (Diplopoda, Julida) Article
Entomologische Berichten, 28(3), 49-51.January 1968
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Schadelijke insekten in 1966 Article
Entomologische Berichten, 28(3), 52-57.January 1968
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De vanglamp, de maan en nog wat Article
Entomologische Berichten, 28(3), 58-60.January 1968
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Enkele lepidopterologische aantekeningen Article
Entomologische Berichten, 28(4), 63-64.January 1968
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The true identity of Pammene snellenana Bentinck, with selection of lectotypes (Lepidoptera, Tortricidae) Article
Entomologische Berichten, 28(4), 65-67.January 1968
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Merkwaardige data in 1967. Article
Entomologische Berichten, 28(4), 67-67.January 1968