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1908
A Fossil Leaf-Cutting Bee, T. D. A. Cockerell; The Canadian Entomologist
A New Bee from Tahiti, T. D. A. Cockerell; Entomological News
A New Name in Megachile, T. D. A. Cockerell; The Canadian Entomologist
A New Subgenus of African Bees, T. D. A. Cockerell; The Entomologist
Bees of the Genus Nomada, Belonging to the Group of N. depressa Cresson, T. D. A. Cockerell; Entomological News
Descriptions and Records of Bees.— XIX., T. D. A. Cockerell; Annals and Magazine of Natural History
Descriptions and Records of Bees.— XVIII., T. D. A. Cockerell; Annals and Magazine of Natural History
Descriptions and Records of Bees.— XX., T. D. A. Cockerell; Annals and Magazine of Natural History
New American Bees.— VI., T. D. A. Cockerell; The Entomologist
New American Bees.— VII., T. D. A. Cockerell; The Entomologist
New and Little Known Bees, T. D. A. Cockerell; The Canadian Entomologist
New and Little-Known Bees, T. D. A. Cockerell; The Canadian Entomologist
Notes on the Bee-Genus Exaerete, T. D. A. Cockerell; Psyche
Some Bees Collected by Mr. F. C. Pratt in Texas, T. D. A. Cockerell; Proceedings of the Entomological Society of Washington
Some Bees of the Genus Halictus, T. D. A. Cockerell; Proceedings of the Entomological Society of Washington
Some Results of the Florissant Expedition of 1908, T. D. A. Cockerell; The American Naturalist
Three New Bees of the Genus Nomada, T. D. A. Cockerell; Proceedings of the Entomological Society of Washington
Two New Mutillidae From Colorado, T. D. A. Cockerell and S. A. Rohwer; Psyche
1907
A New Bee of the Genus Anthophora, T. D. A. Cockerell; The Canadian Entomologist
A New Bee of the Genus Crocisa, T. D. A. Cockerell; Entomological News
Descriptions and Records of Bees.— LXX., T. D. A. Cockerell; The Annals and Magazine of Natural History
Descriptions and Records of Bees.— XIII., T. D. A. Cockerell; The Annals and Magazine of Natural History
Descriptions and Records of Bees.— XIV., T. D. A. Cockerell; The Annals and Magazine of Natural History
Descriptions and Records of Bees.— XV., T. D. A. Cockerell; The Annals and Magazine of Natural History
Descriptions and Records of Bees.— XVI., T. D. A. Cockerell; The Annals and Magazine of Natural History
Descriptions and Records of Bees.— XVII., T. D. A. Cockerell; The Annals and Magazine of Natural History
New American Bees.— III., T. D. A. Cockerell; The Entomologist
New American Bees.— IV., T. D. A. Cockerell; The Entomologist
New American Bees.— V., T. D. A. Cockerell; The Entomologist
New Anthidiine Bees From Colorado, T. D. A. Cockerell; The Canadian Entomologist
Notes on Some Bees Collected by Mr. H. L. Viereck in New Mexico in 1902, T. D. A. Cockerell; Entomological News
Notes on the Nomenclature of Some Hymenoptera, T. D. A. Cockerell; The Entomologist
On a Collection of Australian and Asiatic Bees, T. D. A. Cockerell; Bulletin of the American Museum of Natural History
Some Bees in the Museum of Comparative Zoölogy, Harvard University, T. D. A. Cockerell; University of Colorado Studies
The Bees of Boulder County, Colorado, T. D. A. Cockerell; University of Colorado Studies
Two New Bees of the Genus Triepeolus, T. D. A. Cockerell; The Canadian Entomologist
The Megachilidae of Southern Maine, J. H. Lovell and T. D. A. Cockerell; Psyche
1906
Descriptions and Records of Bees.— IX., T. D. A. Cockerell; Annals and Magazine of Natural History
Descriptions and Records of Bees.— VII., T. D. A. Cockerell; Annals and Magazine of Natural History
Descriptions and Records of Bees.— VIII., T. D. A. Cockerell; Bulletin of the American Museum of Natural History
Descriptions and Records of Bees.— X., T. D. A. Cockerell; Annals and Magazine of Natural History
Descriptions and Records of Bees.— XI., T. D. A. Cockerell; Annals and Magazine of Natural History
Descriptions and Records of Bees.— XII., T. D. A. Cockerell; Annals and Magazine of Natural History
Fossil Hymenoptera From Florissant, Colorado, T. D. A. Cockerell; Bulletin of the Museum of Comparaive Zoölogy at Harvard College
New American Bees.— I., T. D. A. Cockerell; The Entomologist
New American Bees.— II., T. D. A. Cockerell; The Entomologist
New Rocky Mountain Bees, and Other Notes, T. D. A. Cockerell; The Canadian Entomologist
North American Bees of the Genera Andrena and Melitta in the British Museum, T. D. A. Cockerell; Psyche
North American Bees of the Genera Andrena and Melitta in the British Museum.— I, T. D. A. Cockerell; Psyche
Some Bees From Washington State, T. D. A. Cockerell; The Canadian Entomologist
Some Carpenter Bees From Africa, T. D. A. Cockerell; The Canadian Entomologist
The Bees of Florissant, Colorado, T. D. A. Cockerell; Bulletin of the American Museum of Natural History
The Bees of New Mexico, T. D. A. Cockerell; Transaction of the American Entomological Society
The North American Bees of the Family Anthophoridæ, T. D. A. Cockerell; Transaction of the American Entomological Society
Notes on the Bees of Southern Maine: Anthophoridae, Halictoididae, Macropidae and Panurgidae, J. H. Lovell and T. D. A. Cockerell; Psyche
1905
American Hymenoptera: New Bees and a New Proctotrypid, T. D. A. Cockerell; Annals and Magazine of Natural History
A New Bee of the Genus Perdita From Texas, T. D. A. Cockerell; Entomological News
Bees of Southern California, T. D. A. Cockerell; Bulletin of the Southern California Academy of Sciences
Contributions to the Nautral History of the Rocky Mountains. I, T. D. A. Cockerell; The University of Colorado Studies
Descriptions and Records of Bees.— I., T. D. A. Cockerell; Annals and Magazine of Natural History
Descriptions and Records of Bees.— II., T. D. A. Cockerell; Annals and Magazine of Natural History
Descriptions and Records of Bees.— III., T. D. A. Cockerell; Annals and Magazine of Natural History
Descriptions and Records of Bees.— IV., T. D. A. Cockerell; Annals and Magazine of Natural History
Descriptions and Records of Bees.— V., T. D. A. Cockerell; Annals and Magazine of Natural History
Descriptions and Records of Bees.— VI., T. D. A. Cockerell; Annals and Magazine of Natural History
Diadasia Patton; A Genus of Bees, T. D. A. Cockerell; The American Naturalist
New American Bees, T. D. A. Cockerell; Proceedings of the Biological Society of Washington
New Bees from Colorado, T. D. A. Cockerell; Entomological News
New Bees of the Genera Osmia and Andrena, T. D. A. Cockerell; The Canadian Entomologist
Notes on Some Bees in the British Museum, T. D. A. Cockerell; Transactions of the American Entomological Society
Some American Hymenoptera, T. D. A. Cockerell; Entomological News
Some Bees Collected by the Rev. G. Birkmann at Fedor, Texas, T. D. A. Cockerell; The Canadian Entomologist
Some Bees of the Genus Melissodes from the Rocky Mountain Region, T. D. A. Cockerell; Annals and Magazine of Natural History
Some Bees of the Genus Nomada From Wisconsin, T. D. A. Cockerell; The Canadian Entomologist
Some New Eucerine Bees from the West, T. D. A. Cockerell; Psyche
Tables for the Separation of Some Bees of the Genera Coelioxys and Colletes, T. D. A. Cockerell; Psyche
The Bees of Southern California.— VII., T. D. A. Cockerell; Bulletin of the Southern California Academy of Sciences
The Bees of Southern California.— VIII., T. D. A. Cockerell; Bulletin of the Southern California Academy of Sciences
Three New Bees from the Southwest, T. D. A. Cockerell; Entomological News
Une Nouvelle Abeille du Mexique, T. D. A. Cockerell; Bulletin du Muséum d'historie naturelle
1904
New and Little-Known Bees in the Collection of the British Museum, T. D. A. Cockerell; Annals and Magazine of Natural History
New Genera of Bees, T. D. A. Cockerell; Entomological News
New Records of Bees, T. D. A. Cockerell; The Entomologist
Notes on Some Bees in the British Museum, T. D. A. Cockerell; The Canadian Entomologist
Records of American Bees, T. D. A. Cockerell; The Canadian Entomologist
Some Bees From San Miguel County, New Mexico, T. D. A. Cockerell; The Entomologist
Some Little-Known Bees of the Genus Colletes, T. D. A. Cockerell; Entomological News
Some Parasitic Bees, T. D. A. Cockerell; Annals and Magazine of Natural History
Taxonomy Cockerell — Epeolus remigatus var. martini, T. D. A. Cockerell; Annals and Magazine of Natural History
The Bee-Genus Apista, and Other Notes, T. D. A. Cockerell; The Canadian Entomologist
The Bee Genus Apista, etc., T. D. A. Cockerell; The Canadian Entomologist
The Bees of Southern California, T. D. A. Cockerell; Bulletin of the Southern California Academy of Sciences
The Bees of Southern California.— I., T. D. A. Cockerell; Bulletin of the Southern California Academy of Sciences
The Bees of Southern California.— II., T. D. A. Cockerell; Bulletin of the Southern California Academy of Sciences
The Bees of Southern California.— III., T. D. A. Cockerell; Bulletin of the Southern California Academy of Sciences
The Bees of Southern California.— IV., T. D. A. Cockerell; Bulletin of the Southern California Academy of Sciences
The Bees of Southern California.— V., T. D. A. Cockerell; Bulletin of the Southern California Academy of Sciences
The Bees of Southern California.— VI., T. D. A. Cockerell; Bulletin of the Southern California Academy of Sciences
The Halictine Bees of the Australian Region, T. D. A. Cockerell; Annals and Magazine of Natural History
Two New Bees, T. D. A. Cockerell; Entomological News