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1938

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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

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Some African Osmiine Bees, T. D. A. Cockerell; The Entomologist

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

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Two New Bees from Hay River, T. D. A. Cockerell; The Canadian Entomologist

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Sterility in Pears, M. B. Cummings, E. W. Jenkins, and R. G. Dunning

1935

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African Bees of the Genera Allodape and Allodapula, T. D. A. Cockerell; Rev. Zool. Bot. Afr.

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

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African Bees of the Genus Gronoceras, T. D. A. Cockerell; Annals and Magazine of Natural History

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African Nomiine Bees, T. D. A. Cockerell; Rev. Zool. Bot. Afr.

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

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Bees from Eritrea, Northwest Africa, T. D. A. Cockerell; American Museum Novitates

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Bees of the Genus Megachile from the Belgian Congo, T. D. A. Cockerell; American Museum Novitates

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

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

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

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Parasitic Bees of the Genus Coelioxys from the Belgian Congo, T. D. A. Cockerell; American Museum Novitates

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Records of African Bees, T. D. A. Cockerell; The Entomologist

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Scientific Results of the Vernaylang Kalahari Expedition, T. D. A. Cockerell; Annals of the Transvaal Museum

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Some African Nomiine Bees, T. D. A. Cockerell; Annals and Magazine of Natural History

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Some California Bees, T. D. A. Cockerell; Pan-Pac. Ent.

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

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The Origin of the Higher Flowering Plants, T. D. A. Cockerell; Science

1934

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

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

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

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

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

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October Bee-Collecting in Colorado (Hymenoptera: Apoidea), T. D. A. Cockerell; Entomological News

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Parasitic Bees (Epeolinæ and Melectinæ) in the Collection of the California Academy of Sciences, T. D. A. Cockerell; Proceedings of the California Academy of Sciences

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

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

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Some Bees (Hym.) from the Sudan, T. D. A. Cockerell; STYLOPS: A Journal of Taxonomic Entomology

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Some Bees of the Genus Ceratina from Africa, T. D. A. Cockerell; American Museum Novitates

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The Bees of Australia, T. D. A. Cockerell; Australian Zoologist

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The Wild Bees, T. D. A. Cockerell; The Journal of The American Museum of Natural History

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Two New Bees from Colorado, T. D. A. Cockerell; Bulletin of the Brooklyn Entomological Society

1933

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African Bees of the Genus Coelioxys, T. D. A. Cockerell; Annals and Magazine of Natural History

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

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A New Alcidamea (Hymenop.: Megachilidae)., T. D. A. Cockerell; Entomological News

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A New Parasitic Bee Taken by Admiral Lynes in Morocco, T. D. A. Cockerell; The Entomologist

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Bees Collected at Borego, California, by Wilmatte P. Cockerell and Milene Porter, T. D. A. Cockerell; The Pan-Pacific Entomologist

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Bees Collected at Borego, California, by Wilmatte P. Cockerell and Milene Porter, T. D. A. Cockerell; The Pan-Pacific Entomologist

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Bees collected by Mrs. Maurice T. James in Pingree Park, Colorado, T. D. A. Cockerell; Annals of the Entomological Society of America

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Bees from the Belgian Congo: A New Anthophora obtained in the Kivu District by S.A.R. le Prince Leopold, T. D. A. Cockerell; Rev. Zool. Bot. Afr.

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Bees from the Belgian Congo: Gronoceras and Digronoceras; A Case of Deceptive Resemblance, T. D. A. Cockerell; Rev. Zool. Bot. Afr.

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Bees from the Belgian Congo Gronoceras felina and species of Megachile, and apparent case of Müllerian Mimicry, T. D. A. Cockerell; Rev. Zool. Bot. Afr.