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Cockerell TDA (1895) New bees of the genus Halictus from New Mexico, U.S.A. Annals and Magazine of Natural History, Series 6 16(91): 63-69. https://doi.org/10.1080/00222939508680230
Cockerell TDA (1896) The bees of the genus Andrena found in New Mexico. Annals and Magazine of Natural History, Series 6 18(103): 78-92. https://doi.org/10.1080/00222939608680413
Cockerell TDA (1896) New North American bees. The Entomologist's Monthly Magazine 32: 218-221.
Cockerell TDA (1896) Contributions from the New Mexico biological station—I. Descriptions of new bees collected by Prof. C.H.T. Townsend in the state of Vera Cruz. Annals and Magazine of Natural History, Series 6 18(106): 282-295. https://doi.org/10.1080/00222939608680457
Cockerell TDA (1897) New and little-known North American bees. Proceedings of the Academy of Natural Sciences of Philadelphia 49: 334-355. [Calliopsis australior Cockerell, 1897] http://www.jstor.org/stable/4062289
Cockerell TDA (1897) Contributions from the New Mexico biological station.—III. The bees of the genus Colletes found in New Mexico. Annals and Magazine of Natural History, Series 6 19(109): 39-52. [Colletes aberrans Cockerell, 1897, Colletes gilensis Cockerell, 1897] https://doi.org/10.1080/00222939708680506
Cockerell TDA (1898) A southern type of Andrena in Connecticut. Entomological News 9: 171-72.
Cockerell TDA (1898) New bees from New Mexico. The Canadian Entomologist 30(6): 146-148. https://doi.org/10.4039/ent30146-6
Cockerell TDA (1898) 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 (1898) On some panurgine and other bees. Transactions of the American Entomological Society 25: 185-198. [Panurginus atriceps (Cresson, 1878)] http://www.jstor.org/stable/25076687
Cockerell TDA (1898) New and little-known bees. The Canadian Entomologist 30(3): 50-53. https://doi.org/10.4039/ent3050-3
Cockerell TDA (1898) Panurginus clypeatus. The Canadian Entomologist 30 (2): 29. [Panurginus cressoniellus Cockerell, 1898] https://doi.org/10.4039/ent3029-2
Cockerell TDA (1900) 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 (1901) A new bee from California. Zeitschrift für Systematische Hymenopterologie und Dipterologie 1(2): 80.
Cockerell TDA (1901) A new Andrena from California. Entomological News 12: 74.
Cockerell TDA (1901) Some insects of the Hudsonian Zone in New Mexico—VI. Psyche 9(308): 282-287. [Andrena birtwelli Cockerell, 1901, Andrena (Andrena) washingtoni Cockerell, 1901] https://doi.org/10.1155/1901/483090
Cockerell TDA (1901) Some insects of the Hudsonian Zone in New Mexico—III. Psyche 9(298): 163-164. [Panurginus cressoniellus Cockerell, 1898] https://doi.org/10.1155/1901/34954
Cockerell TDA (1901) On some bees of the genus Andrena from New Jersey. Journal of the New York Entomological Society 9(3): 132-134. http://www.jstor.org/stable/25002948
Cockerell TDA (1902) Some Insects of the Hudsonian Zone in New Mexico—VIII. Psyche 9(313): 346-347. https://doi.org/10.1155/1902/58549
Cockerell TDA (1902) 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 (1902) New bees of the genus Andrena, from Wisconsin. The Canadian Entomologist 34(2): 45-47. https://doi.org/10.4039/ent3445-2
Cockerell TDA (1903) New bees from southern California and other records. Bulletin of the Southern California Academy of Sciences 2: 84-85.
Cockerell TDA (1903) 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 (1904) New records of bees. The Entomologist 37: 231-236. [Panurginus beardsleyi (Cockerell, 1904), Sphecodes arroyanus Cockerell, 1904]
Cockerell TDA (1904) Records of American bees. The Canadian Entomologist 36(1): 13-14. https://doi.org/10.4039/ent3613-1
Cockerell TDA (1904) Descriptions and records of bees. Annals and Magazine of Natural History, Series 7 14(79): 21-30. [Heriades carinata Cresson, 1864] https://doi.org/10.1080/03745480409442962
Cockerell TDA (1905) New bees of the genera Osmia and Andrena. The Canadian Entomologist 37(11): 370-372. https://doi.org/10.4039/ent37370-11
Cockerell TDA (1905) The bees of southern California. Bulletin of the Southern California Academy of Sciences 4: 99-106. [Habropoda tristissima (Cockerell, 1904)]
Cockerell TDA (1905) The bees of southern California. VIII. Bulletin of the Southern California Academy of Sciences 4: 28-33.
Cockerell TDA (1906) New Rocky Mountain bees, and other notes. The Canadian Entomologist 38(5): 160-166. https://doi.org/10.4039/ent38160-5
Cockerell TDA (1906) The bees of Florissant, Colorado. Bulletin of the American Museum of Natural History 22: 419-455. [Andrena (Andrena) topazana Cockerell, 1906]
Cockerell TDA (1906) North American bees of the genera Andrena and Melitta in the British Museum.–I. Psyche 13: 5-10. [Melitta (Cilissa) americana (Smith, 1853)]
Cockerell TDA (1906) Descriptions and records of bees.—IX. Annals and Magazine of Natural History, Series 7 17(99): 306-317. https://doi.org/10.1080/00222930608562528
Cockerell TDA (1907) Descriptions and records of bees.—XIII. Annals and Magazine of Natural History, Series 7 19(113): 361-370. [Andrena (Andrena) milwaukeensis Graenicher, 1903] https://doi.org/10.1080/00222930708562656
Cockerell TDA (1907) Descriptions and records of bees.—XIV. Annals and Magazine of Natural History, Series 7 19(114): 531-540. [Andrena (Andrena) perarmata Cockerell, 1898] https://doi.org/10.1080/00222930709487287
Cockerell TDA (1907) The bees of Boulder County, Colorado. The University of Colorado Studies 4: 239-259.
Cockerell TDA (1907) Descriptions and records of bees.—XVI. Annals and Magazine of Natural History, Series 7 20(116): 122-132. [Andrena (Conandrena) bradleyi Viereck, 1907] https://doi.org/10.1080/00222930709487315
Cockerell TDA (1908) New American bees.—VI. The Entomologist 41: 59-61.
Cockerell TDA (1908) New American bees.—VII. The Entomologist 41: 292-294.
Cockerell TDA (1909) Descriptions and records of bees.—XXI. Annals and Magazine of Natural History, Series 8 4(19): 25-31. [Calliopsis coloradensis Cresson, 1878, Agapostemon sericeus (Forster, 1771)] https://doi.org/10.1080/00222930908692634
Cockerell TDA (1910) Some insects from Steamboat Springs, Colo.—II. The Canadian Entomologist 42(11): 366-370. https://doi.org/10.4039/ent42366-11
Cockerell TDA (1910) Descriptions and records of bees.—XXVI. Annals and Magazine of Natural History, Series 8 5(27): 256-264. https://doi.org/10.1080/00222931008692763
Cockerell TDA (1910) Descriptions and records of bees.—XXVII. Annals and Magazine of Natural History, Series 8 5(28): 361-369. [Nomada aldrichi Cockerell, 1910] https://doi.org/10.1080/00222931008692781
Cockerell TDA (1911) Some bees from western Canada. The Canadian Entomologist 43(1): 33-34. [Megachile dentitarsus Sladen, 1919] https://doi.org/http://dx.doi.org/10.4039/Ent4333-1
Cockerell TDA (1912) Descriptions and records of bees.—XLV. Annals and Magazine of Natural History, Series 8 10(55): 21-31. https://doi.org/10.1080/00222931208693193
Cockerell TDA (1913) Descriptions and records of bees.—LIV. Annals and Magazine of Natural History, Series 8 12(70): 368-376. https://doi.org/10.1080/00222931308693411
Cockerell TDA (1913) Two new Canadian bees. The Canadian Entomologist 45(1): 12-14. [Sphecodes confertus Say, 1837, Sphecodes hudsoni Cockerell, 1911] https://doi.org/10.4039/ent4512-1
Cockerell TDA (1915) Descriptions and records of bees.—LXV. Annals and Magazine of Natural History, Series 8 15(87): 261-269. [Andrena (Andrena) milwaukeensis Graenicher, 1903] https://doi.org/10.1080/00222931508693638
Cockerell TDA (1916) Two new bees from New Jersey. Bulletin of the Brooklyn Entomological Society 11: 11. https://biostor.org/reference/169777
Cockerell TDA (1916) New and little-known bees. The Entomologist 49: 156-160.
Cockerell TDA (1916) Some Rocky Mountain andrenid bees. The Canadian Entomologist 48(7): 252-254. https://doi.org/10.4039/ent48252-7
Cockerell TDA (1916) Some bees from Colorado. The Entomologist 49: 100-102.
Cockerell TDA (1916) Some bees in the British Museum. The Canadian Entomologist 48(8): 272-274. [Nomada aldrichi Cockerell, 1910] https://doi.org/10.4039/ent48272-8
Cockerell TDA (1916) New and little known bees from California. Pomona Journal of Entomology and Zoology 8(2): 43-64.
Cockerell TDA (1918) Some halictine bees. The Entomologist 51: 261-262.
Cockerell TDA (1918) Descriptions and records of bees.—LXXIX. Annals and Magazine of Natural History, Series 9 1(2): 158-167. https://doi.org/10.1080/00222931808562297
Cockerell TDA (1919) The bees of Peaceful Valley, Colorado. Journal of the New York Entomological Society 27(4): 298-300. http://www.jstor.org/stable/25003869
Cockerell TDA (1919) The bees of Gold Hill, Colorado. The Canadian Entomologist 51(12): 271-273. https://doi.org/10.4039/ent51271-12
Cockerell TDA (1922) Bees in the collection of the United States National Museum.—4. Proceedings of the United States National Museum 60: 1-20. [Sphecodes heraclei heraclei Robertson, 1897]
Cockerell TDA (1922) Descriptions and records of bees.—XCVI. Annals and Magazine of Natural History, Series 9 10(59): 544-550. https://doi.org/10.1080/00222932208632802
Cockerell TDA (1924) Bees of the genus Andrena in the collection of the California Academy of Sciences. The Pan-Pacific Entomologist 1(2): 57-65.
Cockerell TDA (1924) Expedition of the California Academy of Sciences to the Gulf of California in 1921. The bees (II). Proceedings of the California Academy of Sciences, Series 4 12(27): 529-560. [Agapostemon angelicus Cockerell, 1924, Megachile albitarsis Cresson, 1872, Megachile discorhina Cockerell, 1924] https://biostor.org/reference/77990
Cockerell TDA (1924) A bee collecting trip to Chimney Rock, Wyoming. Entomological News 35: 347-350.
Cockerell TDA (1926) Descriptions and records of bees.—CXIII. Annals and Magazine of Natural History, Series 9 18(108): 621-627. https://doi.org/10.1080/00222932608633558
Cockerell TDA (1927) Some North and South American bees. Annals of the Entomological Society of America 20(3): 393-400. https://doi.org/10.1093/aesa/20.3.393
Cockerell TDA (1927) Some bees, principally from Formosa and China. American Museum Novitates 274: 1-16.
Cockerell TDA (1928) A new bee of the genus Andrena visiting Senecio. Psyche 35: 62-63.
Cockerell TDA (1929) 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 (1929) New bees from the Mesa Verde National Park, Colorado. Journal of the New York Entomological Society 37(4): 441-448. http://www.jstor.org/stable/25004332
Cockerell TDA (1929) Descriptions and records of bees.—CXIX. Annals and Magazine of Natural History, Series 10 4(21): 296-304. https://doi.org/10.1080/00222932908673058
Cockerell TDA (1930) 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 (1931) Some notes on bees of the genus Andrena. The Canadian Entomologist 63(1): 22-23. https://doi.org/10.4039/ent6322-1
Cockerell TDA (1931) Rocky Mountain bees. II. American Museum Novitates 458: 1-20.
Cockerell TDA (1931) 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 (1932) Bees of the genus Andrena from California. The Pan-Pacific Entomologist 8(4): 173-177.
Cockerell TDA (1932) 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 (1932) 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(1): 40-44. https://doi.org/10.1093/aesa/26.1.40
Cockerell TDA (1934) New or little-known western bees. The Pan-Pacific Entomologist 9(4): 153-159.
Cockerell TDA (1934) Records of western bees. American Museum Novitates 697: 1-15.
Cockerell TDA (1936) Bees from Northern California. The Pan-Pacific Entomologist 12: 133-164.
Cockerell TDA (1936) The bees of Alberta.—I. The Canadian Entomologist 68(12): 274-277. https://doi.org/10.4039/ent68274-12
Cockerell TDA (1937) The bees of Alberta—IV. The Canadian Entomologist 69(5): 113-114. https://doi.org/10.4039/ent69113-5
Cockerell TDA (1937) Bees from San Miguel Island, California. The Pan-Pacific Entomologist 13(4): 148-157.
Cockerell TDA (1937) Bees of Alberta. V. The Canadian Entomologist 69(6): 126-127. https://doi.org/10.4039/Ent69126-6
Cockerell TDA (1937) The bees of Alberta.—III. The Canadian Entomologist 69(4): 86-89. https://doi.org/10.4039/ent6986-4
Cockerell TDA (1938) The bees of Alberta VI. The Canadian Entomologist 70(1): 5-7. https://doi.org/10.4039/Ent705-1
Cockerell TDA (1938) Bees from Prince Albert Park, Saskatchewan. American Museum Novitates 983: 1-4.
Cockerell TDA (1938) The bees of Alberta VII. The Canadian Entomologist 70(4): 70-71. https://doi.org/10.4039/Ent7070-4
Cockerell TDA (1939) The bees of the southern California Islands. Proceedings of the California Academy of Sciences, Series 4 23(28): 427-436.
Cockerell TDA (1939) A new Colletes (Hymenoptera, Apoidea) found on Santa Catalina Island. The 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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