Cockerell T. D. A., 1919: The Philippine bees of the families Anthophoridae and Melectidae. 5 pp.
50
2
HYM 7371
Cockerell T. D. A., 1919: The Philippine bees of the family Nomadidae. 4 pp.
50
2
HYM 7372
Cockerell T. D. A., 1919: The Prosopidae, or obtuse-tongued bees, of the Philippine Islands. 4 pp.
50
2
HYM 7373
Cockerell T. D. A., 1919: The social bees of the Philippine Islands. 5 pp.
50
2
HYM 7374
Cockerell T. D. A., 1920. Malayan bees. 11 pp.
50
2
50440
Cockerell T. D. A., 1920: Bees in the collection of the United States National Museum. 3. 55 pp.
495
20
HYM 7375
Cockerell T. D. A., 1920: Some bees from Panay. 5 pp.
50
2
HYM 7376
Cockerell T. D. A., 1920: Supplementary notes on Philippine bees. 3 pp.
50
2
HYM 7377
Cockerell T. D. A., 1920: Supplementary notes on the social bees of the Philippine Islands. 2 pp.
50
2
52925
Cockerell T. D. A., 1920: XXII. On South African bees, chiefly collected in Natal. 16 pp.
150
6
52926
Cockerell T. D. A., 1921: XXV. On South African bees, chiefly collected in Natal. 16 pp.
150
6
53962
Cockerell T. D. A., 1922: Australian bees in the Queensland museum. 23 pp.
195
8
HYM 7378
Cockerell T. D. A., 1922: Hymenoptera from Lucban, Philippine Islands. 7 pp.
50
2
HYM 762
Cockerell T. D. A., 1922: Notes on some western bees. 7 pp.
50
2
50443
Cockerell T. D. A., 1925: Bees in the collection of California academy of sciences. 31 pp.
295
12
PAE 01145
Cockerell T. D. A., 1925: Bees of the genus Coelioxys in the collection of the California Academy of Science. 7 pp. Pan-pacific entomologist 1(4): 145-151.
50
2
PAE 01179
Cockerell T. D. A., 1925: Some bees collected by Mr. P. H. Timberlake at Riverside, California. 2 pp. Pan-pacific entomologist 1(4): 179-180.
50
2
HYM 763
Cockerell T. D. A., 1925: Some bees from New Zealand. 4 pp.
50
2
HYM 764
Cockerell T. D. A., 1925: Some Halictine bees from the Maritime Province of Siberia. 12 pp.
50
2
50444
Cockerell T. D. A., 1927: Megachilid bees from Bolivia collected by the Mulford biological expedition, 1921-1922. 22 pp.
195
8
PAE 04041
Cockerell T. D. A., 1927: Two new types of desert bees. 2 pp. Pan-pacific entomologist 4(1): 41-42.
50
2
HYM 7379
Cockerell T. D. A., 1928: Some bees from Utah. 3 pp.
50
2
50446
Cockerell T. D. A., 1928: Supplementary notes on Colorado bees, with a list of all the genera. 28 pp.
250
10
HYM 765
Cockerell T. D. A., 1929: A new Thynnid wasp from New Caledonia. 4 pp.
50
2
53963
Cockerell T. D. A., 1929: Bees in the Australian museum collection. 45 pp.
395
16
53964
Cockerell T. D. A., 1929: Bees in the Queensland museum. 26 pp.
195
8
HYM 7380
Cockerell T. D. A., 1929: Some bees of the group Trachandrena Robertson (Hymenoptera: Andrenidae). 5 pp.
50
2
PAE 05101
Cockerell T. D. A., 1929: Some Californian parasitic bees. 5 pp. Pan-pacific entomologist 5(3): 101-105.
50
2
53965
Cockerell T. D. A., 1930. New Australian bees. 14 pp.
95
4
PAE 07005
Cockerell T. D. A., 1930: A new subgenus of Andrenine bees. 4 pp. Pan-pacific entomologist 7(1): 5-8.
50
2
53966
Cockerell T. D. A., 1930: Australian bees in the museum of comparative zoology. 14 pp.
95
4
53967
Cockerell T. D. A., 1930: New Australian bees. 18 pp.
95
4
HYM 7382
Cockerell T. D. A., 1930: The metallic-colored Halictine bees of the Philippine Islands. 5 pp.
50
2
HYM 7383
Cockerell T. D. A., 1930: The Xylocopid or Carpenter bees of the Philippine Islands. 11 pp.
50
2
HYM 7384
Cockerell T. D. A., 1930: Wasps of the genus Cerceris in the Queensland Museum. 5 pp.
50
2
HYM 767
Cockerell T. D. A., 1931: Bees obtained by professor Claude R. Kellogg in the foochow district, China, with new records of Philippine Bombidae. 7 pp.
50
2
50449
Cockerell T. D. A., 1931: Rocky mountain bees. II. 20 pp.
195
8
HYM 768
Cockerell T. D. A., 1931: Some bees collected by professor Jacot in China. 3 pp.
50
2
HYM 7386
Cockerell T. D. A., 1931: The bee-genus Crocisaspidia. 3 pp.
50
2
HYM 7387
Cockerell T. D. A., 1932: A bee of the genus Andrena from San Thomé Island. 2 pp.
50
2
HYM 7389
Cockerell T. D. A., 1932: Bees collected by Charles Darwin on the voyage of the „beagle“. 4 pp.
50
2
PAE 08173
Cockerell T. D. A., 1932: Bees of the genus Andrena from California. 5 pp. Pan-pacific entomologist 8(4): 173-177.
50
2
HYM 769
Cockerell T. D. A., 1932: Names Applied to the Eucerine bees of North America. 13 pp.
50
2
50450
Cockerell T. D. A., 1932: Records of Afrikan bees. I. 16 pp.
95
4
HYM 7390
Cockerell T. D. A., 1932: Some wasps of the genus Zoyphium. 2 pp.
50
2
53968
Cockerell T. D. A., 1932: The bees of Australia. 14 pp.
95
4
HYM 7392
Cockerell T. D. A., 1933: Bees collected at Borego, California, by Wilmatte P. Cockerell and Milene Porter. 6 pp.
50
2
HYM 770
Cockerell T. D. A., 1933: Records of African bees. II. 8 pp.
50
2
HYM 7393
Cockerell T. D. A., 1933: Rocky Mountain bees. – IV. 3 pp.
50
2
HYM 7394
Cockerell T. D. A., 1933: Some African bees of the genus Morgania. 5 pp.