Publication
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Notes on caenozoic and recent mollusca from the Dutch East Indies 2—3 Article
Basteria, 4(3/4), 45-46.January 1939
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Teuthologische aanteekeningen. II Article
Basteria, 4(3/4), 47-53.January 1939
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On the thalassoid genus Coxiella Article
Basteria, 4(3/4), 53-58.January 1939
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Vermeldenswaardige vondsten Article
Correspondentieblad NMV, 14(1), 90-90.January 1939
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Enkele aanvullende mededeelingen betreffende onze mariene Mollusken Article
Correspondentieblad NMV, 15(1), 92-93.January 1939
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Vergadering te Amsterdam, in "Artis" op 29 Januari 1939 Article
Limosa, 12(3), 136-139.January 1939
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Literatuur Article
Limosa, 12(1), 41-42.January 1939
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Ornithologie van Nederland Article
Limosa, 12(3), 127-131.January 1939