Cole, A. C., Jr. 1938a. Suggestions concerning taxonomic nomenclature of the hymenopterous family Formicidae, and descriptions of three new ants. American Midland Naturalist 19:236-241. PDF

Cole, A. C., Jr. 1938b. A new ant from Idaho's semidesert. American Midland Naturalist 19:678-681. PDF

Cole, A. C., Jr. 1938c. Descriptions of new ants from the western United States. American Midland Naturalist 20:368-373. PDF

Cole, A. C., Jr. 1939a. A new ant from the Great Smoky Mountains, Tennessee. American Midland Naturalist 22:413-417. PDF

Cole, A. C., Jr. 1939b. Pseudogynes of Formica neogagates Emery. American Midland Naturalist 22:418-419.

Wesson, L. G.; Wesson, R. G. 1940. A collection of ants from southcentral Ohio. American Midland Naturalist 24:89-103. PDF

Cole, A. C., Jr. 1940a. A new ant from Indiana. American Midland Naturalist 23:224-226. PDF

Cole, A. C., Jr. 1940b. A guide to the ants of the Great Smoky Mountains National Park, Tennessee. American Midland Naturalist 24:1-88.

Weber, N. A. 1941c. The rediscovery of the queen of Eciton (Labidus) coecum Latr. (Hym.: Formicidae). American Midland Naturalist 26:325-329. PDF

Smith, M. R. 1942c. The legionary ants of the United States belonging to Eciton subgenus Neivamyrmex Borgmeier. American Midland Naturalist 27:537-590. PDF

Cole, A. C., Jr. 1942. The ants of Utah. American Midland Naturalist 28:358-388. PDF

Smith, M. R. 1943e. A generic and subgeneric synopsis of the male ants of the United States. American Midland Naturalist 30:273-321. PDF

Cole, A. C., Jr. 1943b. A new subspecies of Formica moki Wheeler (Hymenoptera: Formicidae). American Midland Naturalist 29:183-184. PDF

Jones, J. W. 1943. Known distribution of the shining slave maker ant Polyergus lucidus Mayr. American Midland Naturalist 29:185. PDF

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

Smith, M. R. 1947f. A generic and subgeneric synopsis of the United States ants, based on the workers. American Midland Naturalist 37:521-647. PDF

Smith, M. R. 1947g. A study of Polyergus in the United States, based on the workers (Hymenoptera: Formicidae). American Midland Naturalist 38:150-161. PDF

Cole, A. C., Jr.; Jones, J. W., Jr. 1948. A study of the weaver ant, Oecophylla smaragdina (Fab.). American Midland Naturalist 39:641-651.

Wheeler, G. C. 1949 ("1948"). The larvae of the fungus-growing ants. American Midland Naturalist 40:664-689. PDF

Gillespie, D. S.; Cole, A. C., Jr. 1950. Measurements in the worker caste of two species of Eciton (Neivamyrmex Borgmeier) (Hymenoptera: Formicidae). American Midland Naturalist 44:203-204. PDF

Haskins, C. P.; Haskins, E. F. 1951b. Note on the method of colony foundation of the ponerine ant Amblyopone australis Erichson. American Midland Naturalist 45:432-445.

Wheeler, G. C.; Wheeler, J. 1952a. The ant larvae of the subfamily Ponerinae - Part I. American Midland Naturalist 48:111-144. PDF

Wheeler, G. C.; Wheeler, J. 1952c. The ant larvae of the subfamily Ponerinae - Part II. American Midland Naturalist 48:604-672. PDF

Brown, W. L., Jr. 1953g. Revisionary studies in the ant tribe Dacetini. American Midland Naturalist 50:1-137. PDF

Wheeler, G. C.; Wheeler, J. 1954d. The ant larvae of the myrmicine tribes Meranoplini, Ochetomyrmicini and Tetramoriini. American Midland Naturalist 52:443-452. PDF

Wheeler, G. C.; Wheeler, J. 1955c. The ant larvae of the myrmicine tribe Solenopsidini. American Midland Naturalist 54:119-141. PDF

Kannowski, P. B. 1956a. The ants of Ramsey County, North Dakota. American Midland Naturalist 56:168-185. PDF

Van Pelt, A. F. 1956. The ecology of the ants of the Welaka Reserve, Florida (Hymenoptera: Formicidae). American Midland Naturalist 56:358-387.

Smith, M. R. 1957b. Revision of the genus Stenamma Westwood in America north of Mexico (Hymenoptera, Formicidae). American Midland Naturalist 57:133-174. PDF

Van Pelt, A. F. 1958. The ecology of the ants of the Welaka Reserve, Florida (Hymenoptera: Formicidae). Part II. Annotated list. American Midland Naturalist 59:1-57.