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1941

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A New Parasitic Bee from Colorado, T. D. A. Cockerell; The Canadian Entomologist

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Descriptions and Records of Bees - CLXXXI, T. D. A. Cockerell; Annals and Magazine of Natural History

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Descriptions and Records of Bees - CLXXXII, T. D. A. Cockerell; Annals and Magazine of Natural History

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Descriptions and Records of Bees - CLXXXIII, T. D. A. Cockerell; Annals and Magazine of Natural History

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Life and Habits of Bumblebees, T. D. A. Cockerell; The Scientific Monthly

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Observations on Plants and Insects in Northwestern Baja California, Mexico, with Descriptions of New Bees, T. D. A. Cockerell; Transactions of the San Diego Society of Natural History

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Some Tertiary Insects (Hymenoptera) From Colorado, T. D. A. Cockerell; American Journal of Science

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The Insects of the Californian Islands, T. D. A. Cockerell; Sixth Pacific Sci. Cong. Proc. 4

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The Morphology of a Species of the Genus Tetrophthalmus (Mallophaga: Menoponidae), Oliver B. Cope; Microentomology

1940

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A New Bee from the Argentine Republic, T. D. A. Cockerell; American Museum Novitates

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A New Parasitic Bee from Santa Catalina Island, T. D. A. Cockerell; South Calif. Acad. Sci. Bul.

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Bees Obtained by the Los Angeles Museum-Channel Islands Biological Survey, T. D. A. Cockerell; South Calif. Acad. Sci. Bul.

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Descriptions and Records of Bees - CLXXIX, T. D. A. Cockerell; Annals and Magazine of Natural History

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Descriptions and Records of Bees - CLXXVIII, T. D. A. Cockerell; Annals and Magazine of Natural History

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Descriptions and Records of Bees - CLXXX, T. D. A. Cockerell; Annals and Magazine of Natural History

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Heriadine Bees from the Belgian Congo, T. D. A. Cockerell; Proceedings of the Entomological Society of Washington

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Agents of Pollination in Cacao, F. W. Cope; Cacao Research

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The Morphology of Psocus Confraternus Banks (Psocoptera: Psocidae), Oliver B. Cope; Microentomology

1939

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A New Bee (Nomia) from North Africa, T. D. A. Cockerell; The Entomologist

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A New Bee of the Genus Pasiphaë from Peru, T. D. A. Cockerell; American Museum Novitates

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A New Colletes (Hymenoptera, Apoidea) Found on Santa Catalina Island, T. D. A. Cockerell; The Pan-Pacific Entomologist

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Bees from the Caroline and Palau Islands and Yap, T. D. A. Cockerell; Occasional Papers of Bernice P. Bishop Museum

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Bees from Tropical Africa, T. D. A. Cockerell; Rev. Zool. Bot. Afr.

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Bees of the Genus Centris from Barbados, B.W.I., T. D. A. Cockerell; The Entomologist

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Bees Related to Diadasia Australis Cresson, T. D. A. Cockerell; The Pan-Pacific Entomologist

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Contributions from the Los Angeles Museum - Channel Islands Biological Survey, T. D. A. Cockerell; Bulletin of the Southern California Academy of Sciences

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Descriptions and Records of Bees - CLXX, T. D. A. Cockerell; Annals and Magazine of Natural History

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Descriptions and Records of Bees - CLXXI, T. D. A. Cockerell; Annals and Magazine of Natural History

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Descriptions and Records of Bees - CLXXII, T. D. A. Cockerell; Annals and Magazine of Natural History

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Descriptions and Records of Bees - CLXXIII, T. D. A. Cockerell; Annals and Magazine of Natural History

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Descriptions and Records of Bees - CLXXIV, T. D. A. Cockerell; Annals and Magazine of Natural History

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Descriptions and Records of Bees - CLXXV, T. D. A. Cockerell; Annals and Magazine of Natural History

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Descriptions and Records of Bees - CLXXVI, T. D. A. Cockerell; Annals and Magazine of Natural History

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Descriptions and Records of Bees - CLXXVII, T. D. A. Cockerell; Annals and Magazine of Natural History

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Natural History of Santa Catalina Island, T. D. A. Cockerell; The Scientific Monthly

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New Bees from Santa Catalina Island, T. D. A. Cockerell; Momona College Journal of Entomology and Zoology

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Recollections of a Naturalist, XII. The California Islands, T. D. A. Cockerell; Bios

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Studies of the Pacific Bees in the Collection of Bishop Museum, T. D. A. Cockerell; Occasional Papers of Bernice P. Bishop Museum

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The Bees of the Southern California Islands, T. D. A. Cockerell; Proceedings of the California Academy of Sciences

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The Insects of the Californian Islands, T. D. A. Cockerell; Proceedings of the Sixth Pacific Science Congress

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Considérations générales sur le Genre Lithurgus Latreille et Biologie du Lithurgus tibialis Mor., Auguste Cros; Bulletin de la Société Fouad 1er d'Entomologie

1938

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Bees Collected by Mr. and Mrs. J. L. Sperry and Mr. R. H. Andrews in Arizona, T. D. A. Cockerell

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Bees Collected on the California Islands in the Spring of 1938, T. D. A. Cockerell; Transactions of the San Diego Society of Natural History

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Bees from Prince Albert Park, Saskatchewan, T. D. A. Cockerell; American Museum Novitates

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Bees of the Genus Sphecodes from the Belgian Congo, T. D. A. Cockerell; Rev. Zool. Bot. Afr.

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Descriptions and Records of Bees - CLXIX, T. D. A. Cockerell; Annals and Magazine of Natural History

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Descriptions and Records of Bees - CLXVI, T. D. A. Cockerell; Annals and Magazine of Natural History

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Descriptions and Records of Bees - CLXVII, T. D. A. Cockerell; Annals and Magazine of Natural History

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Descriptions and Records of Bees - CLXVIII, T. D. A. Cockerell; Annals and Magazine of Natural History

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Halictine Bees from Morocco, T. D. A. Cockerell; American Museum Novitates

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Recollections of a Naturalist, VIII. The Wild Bees, T. D. A. Cockerell; BIOS

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The Bees of Alberta VI, T. D. A. Cockerell; The Canadian Entomologist

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The Bees of Alberta VII, T. D. A. Cockerell; The Canadian Entomologist

1937

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African Bees of the Genera Ceratina, Halictus and Megachile, T. D. A. Cockerell

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African Bees of the Genus Heriades, T. D. A. Cockerell; American Museum Novitates

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A New Bee from Chile, T. D. A. Cockerell; American Museum Novitates

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Bees Collected in Arizona and California in the Spring of 1937, T. D. A. Cockerell; American Museum Novitates

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Bees from Morocco, T. D. A. Cockerell; American Museum Novitates

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Bees from San Miguel Island, California, T. D. A. Cockerell; Pan Pacific Entomologist

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Bees of Alberta V, T. D. A. Cockerell; The Canadian Entomologist

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Bees of the Genera Halictus and Ceratina from Siam, T. D. A. Cockerell; American Museum Novitates

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Bees of the Genus Crocisa from the Belgian Congo and Notes on Trigona, T. D. A. Cockerell; Rev. Zool. Bot. Afr.

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Bees of the Genus Sphecodes from Saskatchewan, T. D. A. Cockerell; American Museum Novitates

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Bees Taken by the Rev. Bernard Rotger in Southwest Colorado (Hymen.: Apoidea), T. D. A. Cockerell; Entomological News

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Descriptions and Records of Bees - CLIX, T. D. A. Cockerell; Annals and Magazine of Natural History

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Descriptions and Records of Bees - CLX, T. D. A. Cockerell; Annals and Magazine of Natural History

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Descriptions and Records of Bees - CLXI, T. D. A. Cockerell; Annals and Magazine of Natural History

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Descriptions and Records of Bees - CLXII, T. D. A. Cockerell; Annals and Magazine of Natural History

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Descriptions and Records of Bees - CLXIII, T. D. A. Cockerell; Annals and Magazine of Natural History

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Descriptions and Records of Bees - CLXIV, T. D. A. Cockerell; Annals and Magazine of Natural History

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Descriptions and Records of Bees - CLXV, T. D. A. Cockerell; Annals and Magazine of Natural History

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New and Little-Known American Bees, T. D. A. Cockerell; American Museum Novitates

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Recollections of a Naturalist, V: Fossil Insects, T. D. A. Cockerell; BIOS

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Records of African Bees, T. D. A. Cockerell; American Museum Novitates

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Siberian Bees of the Genera Halictus, Sphecodes, and Hylaeus, T. D. A. Cockerell; American Museum Novitates

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South American Bees, T. D. A. Cockerell; American Museum Novitates

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The Bees of Alberta II, T. D. A. Cockerell; The Canadian Entomologist

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The Bees of Alberta III, T. D. A. Cockerell; The Canadian Entomologist

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The Bees of Alberta IV, T. D. A. Cockerell; The Canadian Entomologist

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The Bees of Barbados, T. D. A. Cockerell; The Entomologist

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Osmia longispina Pérez. Etude biologique, Auguste Cros; Bull. & Ann. de la Soc. Entom. de Belg.

1936

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African Bees of the Genus Allodapula, T. D. A. Cockerell; American Museum Novitates

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African Bees of the Genus Anthophora, T. D. A. Cockerell; Rev. Zool. Bot. Afr.

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African Bees of the Genus Colletes, T. D. A. Cockerell; American Museum Novitates

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African Bees of the Genus Nomioides, T. D. A. Cockerell; American Museum Novitates

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African Hylaeine Bees, T. D. A. Cockerell; American Museum Novitates

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Bees from British Guiana, T. D. A. Cockerell; Journal New York Entomological Society

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Bees from Northern California, T. D. A. Cockerell; The Pan-Pacific Entomologist

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Bees from the Solomon Islands, T. D. A. Cockerell

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Descriptions and Records of Bees - CLII, T. D. A. Cockerell; Annals and Magazine of Natural History

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Descriptions and Records of Bees - CLIII, T. D. A. Cockerell; Annals and Magazine of Natural History

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Descriptions and Records of Bees - CLIV, T. D. A. Cockerell; Annals and Magazine of Natural History

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Descriptions and Records of Bees - CLV, T. D. A. Cockerell; Annals and Magazine of Natural History

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Descriptions and Records of Bees - CLVI, T. D. A. Cockerell; Annals and Magazine of Natural History

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Descriptions and Records of Bees - CLVII, T. D. A. Cockerell; Annals and Magazine of Natural History

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Descriptions and Records of Bees - CLVIII, T. D. A. Cockerell; Annals and Magazine of Natural History

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Materials for a Monograph of African Bees of the Genera Halictus, Ceratina and Megachile, T. D. A. Cockerell

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Records of Western Bees, T. D. A. Cockerell; American Museum Novitates

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Some African Anthidiine Bees, T. D. A. Cockerell; American Museum Novitates

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Some African Bees, T. D. A. Cockerell; American Museum Novitates