Creighton, W. S. 1951. Studies on Arizona ants. 1. The habits of Camponotus ulcerosus Wheeler and its identity with C. bruesi Wheeler. Psyche (Cambridge) 58:47-64. PDF

Creighton, W. S. 1954. Additional studies on Pseudomyrmex apache (Hymenoptera: Formicidae). Psyche (Cambridge) 61:9-15. PDF

Creighton, W. S. 1956. Notes on Myrmecocystus lugubris Wheeler and its synonym, Myrmecocystus yuma Wheeler (Hymenoptera, Formicidae). American Museum Novitates 1807:1-4. PDF

Creighton, W. S. 1928b. A new species of Thaumatomyrmex from Cuba. Psyche (Cambridge) 35:162-166. PDF

Notes: Stamp date in MCZ library: 1929.03.15.

Collingwood, C. A.; Yarrow, I. H. H. 1969. A survey of Iberian Formicidae (Hymenoptera). EOS. Revista Española de Entomología 44:53-101. PDF

Consani, M. 1951. Formiche dell'Africa Orientale I. Bollettino dell'Istituto di Entomologia della Università degli Studi di Bologna 18:167-172. PDF

Consani, M.; Zangheri, P. 1952. Fauna di Romagna. Imenotteri - Formicidi. Memorie della Società Entomologica Italiana 31:38-48. PDF

Cook, T. W. 1953. The ants of California. Palo Alto, California: Pacific Books, 462 pp. PDF

Cori, K.; Finzi, B. 1931. Aufzählung der von Karl Cori 1914 auf süddalmatinischen Inseln gesammelten Ameisen. Anzeiger der Akademie der Wissenschaften in Wien. Mathematisch-Naturwissenschaftliche Klasse 68:237-240. PDF

Costa, A. 1884. Notizie ed osservazioni sulla geo-fauna Sarda. Memoria terza. Risultamento delle ricerche fatte in Sardegna nella estate del 1883. Atti della Reale Accademia delle Scienze Fisiche e Matematiche. Napoli (2)1(9):1-64. PDF

Cotti, G. 1963. Bibliografia ragionata 1930-1961 del gruppo Formica rufa in Italiano, Deutsch, English. Collana Verde 8:1-413.

Crawley, W. C. 1918. Some new Australian ants. Entomologist's Record and Journal of Variation 30:86-92. PDF

Crawley, W. C. 1921. New and little-known species of ants from various localities. Annals and Magazine of Natural History (9)7:87-97. PDF

Crawley, W. C. 1915a. Ants from north and central Australia, collected by G. F. Hill. - Part I. Annals and Magazine of Natural History (8)15:130-136. PDF

Crawley, W. C. 1915b. Ants from north and south-west Australia (G. F. Hill, Rowland Turner) and Christmas Island, Straits Settlements. - Part II. Annals and Magazine of Natural History (8)15:232-239.

Crawley, W. C. 1916a. A new species of ponerine ant captured by an Asilus. Entomologist 49:30-31. PDF

Crawley, W. C. 1916b. Ants from British Guiana. Annals and Magazine of Natural History (8)17:366-378. PDF

Crawley, W. C. 1920a. Ants from Mesopotamia and north-west Persia. Entomologist's Record and Journal of Variation 32:162-166. PDF

Crawley, W. C. 1920b. Ants from Mesopotamia and north-west Persia (concluded). Entomologist's Record and Journal of Variation 32:177-179. PDF

Crawley, W. C. 1920c. A new species of ant imported into England. Entomologist's Record and Journal of Variation 32:180-181. PDF

Crawley, W. C. 1920d. A gynandromorph of Monomorium floricola, Jerd. Entomologist's Record and Journal of Variation 32:217-218. PDF

Crawley, W. C. 1922a. New ants from Australia. Annals and Magazine of Natural History (9)9:427-448. PDF

Crawley, W. C. 1922b. Formicidae. - A new species and variety. Entomologist's Record and Journal of Variation 34:85-86. PDF

Crawley, W. C. 1922e. New ants from Australia (concluded from vol. ix. p. 449). Annals and Magazine of Natural History (9)10:16-36.

Crawley, W. C. 1923a. Myrmecological notes. Entomologist's Record and Journal of Variation 35:29-32. PDF

Crawley, W. C. 1923b. Myrmecological notes. - New Australian Formicidae. Entomologist's Record and Journal of Variation 35:177-179. PDF

Crawley, W. C. 1924a. Ants from Sumatra, with biological notes by Edward Jacobson. Annals and Magazine of Natural History (9)13:380-409. PDF

Crawley, W. C. 1925a. Formicidae. A new genus. Entomologist's Record and Journal of Variation 37:40-41. PDF

Collingwood, C. A. 1978. A provisional list of Iberian Formicidae with a key to the worker caste (Hym. Aculeata). EOS. Revista Española de Entomología 52:65-95. PDF

Collingwood, C. A.; Agosti, D. 1996. Formicidae (Insecta: Hymenoptera) of Saudi Arabia (part 2). Fauna of Saudi Arabia 15:300-385. PDF