Creighton, W. S. 1957b ("1955"). Observations on Pseudomyrmex elongata Mayr (Hymenoptera: Formicidae). Journal of the New York Entomological Society 63:17-20. PDF
Creighton, W. S. 1958 ("1957"). A revisionary study of Pheidole vasliti Pergande (Hymenoptera: Formicidae). Journal of the New York Entomological Society 65:203-212. PDF
Creighton, W. S. 1969. Studies on Camponotus (Myrmaphaenus) andrei Forel. American Museum Novitates 2393:1-6.
Creighton, W. S.; Crandall, R. H. 1954. New data on the habits of Myrmecocystus melliger Forel. Biological Review (City College of New York) 16:2-6.
Creighton, W. S.; Tulloch, G. S. 1930. Notes on Euponera gilva (Roger) (Hymenoptera, Formicidae). Psyche (Cambridge) 37:71-79. PDF

Notes: Stamp date in MCZ library: 1930.06.10.

Cremer, S.; Sixt, M. 2009. Analogies in the evolution of individual and social immunity. Philosophical Transactions of the Royal Society of London. B. Biological Sciences 364:129-142. PDF
Cresson, E. T. Sr. 1865a. Catalogue of Hymenoptera in the collection of the Entomological Society of Philadelphia, from Colorado Territory. [part]. Proceedings of the Entomological Society of Philadelphia 4:242-313. PDF

Notes: Publication date from information supplied in F. M. Brown (1964:307).