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Cockerell TDA (1898a) New and little-known bees from Washington State. Proceedings of the Academy of Natural Sciences of Philadelphia 50: 50‑56.

Cockerell TDA (1898b) A southern type of Andrena in Connecticut. Entomological News 9: 171‑72.

Cockerell TDA (1898c) New bees from New Mexico. The Canadian Entomologist 30 (6): 146‑148. https://doi.org/10.4039/ent30146-6

Cockerell TDA (1898d) Notes on some bees of the genus Andrena from Hartford, Connecticut. The Canadian Entomologist 30 (4): 103‑104. https://doi.org/10.4039/ent30103-4

Cockerell TDA (1898e) On some panurgine and other bees. Transactions of the American Entomological Society 25: 185‑198. URL: http://www.jstor.org/stable/25076687

Cockerell TDA (1898f) New and little-known bees. The Canadian Entomologist 30 (3): 50‑53. https://doi.org/10.4039/ent3050-3

Cockerell TDA (1898g) Panurginus clypeatus. The Canadian Entomologist 30 (2): 29. https://doi.org/10.4039/ent3029-2

Cockerell TDA (1900a) LIV.— Observations on bees collected at Las Vegas, New Mexico, and in the adjacent Mountains. Annals and Magazine of Natural History Series 7 5 (29): 401‑416. https://doi.org/10.1080/00222930008678307

Cockerell TDA (1900b) II.—The New Mexico bees of the genus Megachile and a new Andrena. Annals and Magazine of Natural History, Series 7 6 (31): 7‑20. https://doi.org/10.1080/00222930008678335

Cockerell TDA (1901a) A new bee from California. Zeitschrift für systematische hymenopterologie und dipterologie 1 (2): 80‑80.

Cockerell TDA (1901b) A new Andrena from California. Entomological News 12: 74‑74.

Cockerell TDA (1901c) Some insects of the Hudsonian Zone in New Mexico—VI. Psyche 9 (308): 282‑287. https://doi.org/10.1155/1901/483090

Cockerell TDA (1901d) Some insects of the Hudsonian Zone in New Mexico—III. Psyche 9 (298): 163‑164. https://doi.org/10.1155/1901/34954

Cockerell TDA (1901e) On some bees of the genus Andrena from New Jersey. Journal of the New York Entomological Society 9 (3): 132‑134. URL: http://www.jstor.org/stable/25002948

Cockerell TDA (1902a) Some Insects of the Hudsonian Zone in New Mexico—VIII. Psyche 9 (313): 346‑347. https://doi.org/10.1155/1902/58549

Cockerell TDA (1902b) XX.— North-American bees of the genus Andrena. Annals and Magazine of Natural History Series 7 9 (50): 101‑106. https://doi.org/10.1080/00222930208678552

Cockerell TDA (1902c) New bees of the genus Andrena, from Wisconsin. The Canadian Entomologist 34 (2): 45‑47. https://doi.org/10.4039/ent3445-2

Cockerell TDA (1903a) New bees from southern California and other records. Bulletin of the Southern California Academy of Sciences 2: 84‑85.

Cockerell TDA (1903b) XLIII.—North-American bees, and a new Homopteron. Annals and Magazine of Natural History, Series 7 12 (70): 442‑455. https://doi.org/10.1080/00222930308678879

Cockerell TDA (1904a) New records of bees. The Entomologist 37: 231‑236.

Cockerell TDA (1904b) Some bees from San Miguel County, New Mexico. The Entomologist 37: 5‑9.

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Cockerell TDA (1904d) IV.— Descriptions and records of bees. Annals and Magazine of Natural History Series 7 14 (79): 21‑30. https://doi.org/10.1080/03745480409442962

Cockerell TDA (1905a) New bees of the genera Osmia and Andrena. The Canadian Entomologist 37 (11): 370‑372. https://doi.org/10.4039/ent37370-11

 

Cockerell TDA (1905c) The bees of southern California. Bulletin of the Southern California Academy of Sciences 4: 99‑106.

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Cockerell TDA (1906a) New Rocky Mountain bees, and other notes. The Canadian Entomologist 38 (5): 160‑166. https://doi.org/10.4039/ent38160-5

Cockerell TDA (1906b) The bees of Florissant, Colorado. Bulletin of the American Museum of Natural History 22: 419‑455.

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Cockerell TDA (1906e) XL.—Descriptions and records of bees.−IX. Annals and Magazine of Natural History, 7th Series 17: 306‑317. https://doi.org/10.1080/00222930608562528

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Cockerell TDA (1907a) XLII.—Descriptions and records of bees.—XIII. Annals and Magazine of Natural History, Series 7 19 (113): 361‑370. https://doi.org/10.1080/00222930708562656

Cockerell TDA (1907b) LXIV.—Descriptions and records of bees.—XIV. Annals and Magazine of Natural History, Series 7 19 (114): 531‑540. https://doi.org/10.1080/00222930709487287

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Cockerell TDA (1908a) New American bees.—VI. The Entomologist 41: 59‑61.

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Cockerell TDA (1910b) XXXV.— Descriptions and records of bees .—XXVI. Annals and Magazine of Natural History Series 8 5 (27): 256‑264. https://doi.org/10.1080/00222931008692763

 

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Cockerell TDA (1915) XXI.—Descriptions and records of bees.—LXV. Annals and Magazine of Natural History, Series 8 15 (87): 261‑269. https://doi.org/10.1080/00222931508693638

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Cockerell TDA (1928) A new bee of the genus Andrena visiting Senecio. Psyche 35: 62‑63.

Cockerell TDA (1929a) Some bees of the group Trachandrena, Robertson (Hymenoptera: Andrenidae). Annals of the Entomological Society of America 22 (4): 754‑758. https://doi.org/10.1093/aesa/22.4.754

Cockerell TDA (1929b) New bees from the Mesa Verde National Park, Colorado. Journal of the New York Entomological Society 37 (4): 441‑448. URL: http://www.jstor.org/stable/25004332

Cockerell TDA (1929c) XXXII.—Descriptions and records of bees. – CXIX. Annals and Magazine of Natural History, 10th Series 4: 296‑304. https://doi.org/10.1080/00222932908673058

Cockerell TDA (1929d) Some bees of the group Trachandrena, Robertson (Hymenoptera: Andrenidae). Annals of the Entomological Society of America 22 (4): 754‑758. https://doi.org/10.1093/aesa/22.4.754

Cockerell TDA (1930a) New bees from the Mesa Verde National Park, Colorado. Journal of the New York Entomological Society 37 (4): 441‑448. URL: http://www.jstor.org/stable/25004332

Cockerell TDA (1930b) VIII.—Descriptions and records of bees.—CXXI. Annals and Magazine of Natural History, Series 10 5 (25): 108‑115. https://doi.org/10.1080/00222933008673111

Cockerell TDA (1931a) Some notes on bees of the genus Andrena. The Canadian Entomologist 63 (1): 22‑23. https://doi.org/10.4039/ent6322-1

Cockerell TDA (1931b) Rocky Mountain bees. II. American Museum Novitates 458: 1‑20.

Cockerell TDA (1931c) A new bee of the genus Andrena from Canada. The Canadian Entomologist 63 (9): 200‑201. https://doi.org/10.4039/ent63200-9

Cockerell TDA (1932a) Bees of the genus Andrena from California. Pan-Pacific Entomologist 8 (4): 173‑17.

Cockerell TDA (1932b) Two new bees of the genus Andrena from Canada. The Canadian Entomologist 64 (7): 155‑158. https://doi.org/10.4039/ent64155-7

Cockerell TDA (1932c) A new Canadian Andrena (Hymenoptera, Apoidea). The Canadian Entomologist 64 (12): 285‑287. https://doi.org/10.4039/ent64285-12

Cockerell TDA (1933) Bees collected by Mrs. Maurice T. James in Pingree Park, Colorado. Annals of the Entomological Society of America 26: 40‑44.

Cockerell TDA (1934a) New or little-known western bees. The Pan-Pacific Entomologist 9 (4): 153‑159.

Cockerell TDA (1934b) Records of western bees. American Museum Novitates 697: 1‑15.

Cockerell TDA (1936a) Bees from Northern California. The Pan-Pacific Entomologist 12: 133‑164.

Cockerell TDA (1936b) The bees of Alberta.—I. The Canadian Entomologist 68 (12): 274‑277. https://doi.org/10.4039/ent68274-12

Cockerell TDA (1937a) The bees of Alberta—IV. The Canadian Entomologist 69 (5): 113‑114. https://doi.org/10.4039/ent69113-5

Cockerell TDA (1937b) Bees from San Miguel Island, California. The Pan-Pacific Entomologist 13: 148‑158.

Cockerell TDA (1937c) Bees of Alberta. V. The Canadian Entomologist 69: 126‑127.

Cockerell TDA (1937d) Bees of the genus Sphecodes from Saskatchewan. American Museum Novitates 909: 1‑4.

Cockerell TDA (1937e) Bees from San Miguel Island, California. The Pan-Pacific Entomologist 13: 148‑158.

Cockerell TDA (1937f) The bees of Alberta.—III. The Canadian Entomologist 69 (4): 86‑89. https://doi.org/10.4039/ent6986-4

Cockerell TDA (1938a) The bees of Alberta VI. The Canadian Entomologist 70: 5‑7.

Cockerell TDA (1938b) Bees from Prince Albert Park, Saskatchewan. American Museum Novitates 983: 1‑4.

Cockerell TDA (1938c) The bees of Alberta VII. The Canadian Entomologist 70: 70‑71.

Cockerell TDA (1939a) The bees of the southern California Islands. Proceedings of the California Academy of Sciences, Series 4 23 (28): 427‑436.

Cockerell TDA (1939b) A new Colletes (Hymenoptera, Apoidea) found on Santa Catalina Island. Pan-Pacific Entomologist 15: 188‑189.

Cockerell TDA (1941) Observations on plants and insects in north-western Baja California, Mexico, with descriptions of new bees. Transactions of the San Diego Society of Natural History 9 (31): 339‑352.

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Crawford JC (1902a) The bee genus Dialictus. The Canadian Entomologist 34 (12): 318. https://doi.org/10.4039/ent34318-12

Crawford JC (1902b) Notes and descriptions of bees. The Canadian Entomologist 34 (9): 234‑240. https://doi.org/10.4039/ent34234-9

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Crawford JC (1906) Some new species of Halictus. The Canadian Entomologist 38: 4‑6. https://doi.org/http://dx.doi.org/10.4039/Ent384-1

Crawford JC (1907) New Halictinae from the Western United States. Invertebrata Pacifica 1: 190‑197.

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