Gregg, R. E. 1949b. A new ant from southwestern United States (Hymenoptera, Formicidae). Proceedings of the Entomological Society of Washington 51:171-174. PDF

Gregg, R. E. 1952a. A new ant of the genus Pheidole from Colorado. American Museum Novitates 1557:1-4. PDF

Gregg, R. E. 1952b. The female of Formica opaciventris Emery (Formicidae). Psyche (Cambridge) 59:13-19. PDF

Gregg, R. E. 1953a. Notes on the ant, Leptothorax obliquicanthus Cole (Hymenoptera: Formicidae). Breviora 22:1-4. PDF

Gregg, R. E. 1953b. The soldier caste of Pheidole (Ceratopheidole) clydei Gregg (Hymenoptera, Formicidae). American Museum Novitates 1637:1-7. PDF

Gregg, R. E. 1945b. The worker caste of Harpagoxenus canadensis Smith (Formicidae). Canadian Entomologist 77:74-76. PDF

Gregg, R. E. 1945c. Two new forms of Monomorium (Formicidae). Psyche (Cambridge) 52:62-69. PDF

Gregg, R. E. 1964. Distribution of the ant genus Formica in the mountains of Colorado. Leaflet. University of Colorado Museum 13:59-69.

Gregg, R. E. 1973. A new species of Camponotus (Hymenoptera: Formicidae) from Nevada. The Southwestern Naturalist 18:39-43. PDF

Gregg, R. E. 1974. William Steel Creighton - An appreciation. Journal of the New York Entomological Society 82:67-75.

Gregg, R. E. 1945a ("1944"). The ants of the Chicago region. Annals of the Entomological Society of America 37:447-480. PDF

Gregg, R. E. 1958. Two new species of Metapone from Madagascar (Hymenoptera: Formicidae). Proceedings of the Entomological Society of Washington 60:111-121. PDF

Gregg, R. E. 1961. The status of certain myrmicine ants in western North America with a consideration of the genus Paramyrmica Cole (Hymenoptera: Formicidae). Journal of the New York Entomological Society 69:209-220. PDF

Gregg, R. E. 1963. The ants of Colorado, with reference to their ecology, taxonomy, and geographic distribution. Boulder: University of Colorado Press, xvi + 792 pp.

Gregg, R. E. 1951. Two new species of exotic ants. Psyche (Cambridge) 58:77-84. PDF

Gregg, R. E. 1956. An extension of range for the ant, Pheidole lamia Wheeler (Hymenoptera: Formicidae). Entomological News 67:37-39.

Gregg, R. E. 1938. [Review of: Wheeler, W. M. 1937. Mosaics and other anomalies among ants. Cambridge, Mass.: Harvard University Press, 95 pp.]. Ecology 19:312-314.

Gregg, R. E. 1942. The origin of castes in ants with special reference to Pheidole morrisi Forel. Ecology 23:295-308.

Gregg, R. E. 1946. The ants of northeastern Minnesota. American Midland Naturalist 35:747-755. PDF

Gregg, R. E. 1947. Altitudinal indicators among the Formicidae. University of Colorado Studies. Physical and Biological Sciences 2:385-403.

Gregg, R. E. 1948. An unusual nest of the prairie mound-building ant (Hymenoptera, Formicidae). Proceedings of the Entomological Society of Washington 50:183-186.

Gregg, R. E. 1950. A new species of Pheidole from the Southwest. Journal of the New York Entomological Society 58:89-93. PDF

Gregg, E. V. 1945. A statistical study of taxonomic categories in ants (Formicidae: Lasius neoniger and Lasius americanus). Annals of the Entomological Society of America 38:529-548. PDF

Gillison, A. N.; Anderson, D. J. (eds.) 1981. Vegetation classification in Australia. Canberra: C.S.I.R.O. & Australian National University Press, xxi + 229 pp.

Greenslade, P. J. M.; Thompson, C. H. 1981. Ant distribution, vegetation, and soil relationships in the Cooloola-Noosa River area, Queensland. Pp. 192-207 in: Gillison, A. N.; Anderson, D. J. (eds.) 1981. Vegetation classification in Australia. Canberra: C.S.I.R.O. & Australian National University Press, xxi + 229 pp.

Barker, W. R.; Greenslade, P. J. M. (eds.) 1982. Evolution of the flora and fauna of arid Australia. Frewville, South Australia: Peacock Publications, 392 pp.

Greenslade, P. J. M.; Halliday, R. B. 1982. Distribution and speciation in meat ants, Iridomyrmex purpureus and related species (Hymenoptera: Formicidae). Pp. 249-255 in: Barker, W. R.; Greenslade, P. J. M. (eds.) 1982. Evolution of the flora and fauna of arid Australia. Frewville, South Australia: Peacock Publications, 392 pp.

Greenslade, P. J. M.; Halliday, R. B. 1983. Colony dispersion and relationships of meat ants Iridomyrmex purpureus and allies in an arid locality in South Australia. Insectes Sociaux 30:82-99.

Greenslade, P. J. M. 1985a. Some effects of season and geographical aspect on ants (Hymenoptera: Formicidae) in the Mt Lofty Ranges, South Australia. Transactions of the Royal Society of South Australia 109:17-23.

Greenslade, P. J. M. 1985b. Preliminary observations on ants (Hymenoptera: Formicidae) of forests and woodlands in the Alligator Rivers region, N.T. Proceedings of the Ecological Society of Australia 13:153-160.