Cole, Arthur C., Jr. 1968. Pogonomyrmex Harvester Ants A Study of the Genus in North America. University of Tennessee Press, Knoxville, Tennessee.

Creighton, William Steel. 1950. The Ants of North America. Bulletin of the Museum of Comparative Zoology At Harvard College. Vol. 104. Cambridge Mass, U.S.A. 585 pg.

Gordon, Deborah M.  2000. Ants at Work - How an Insect Society is Organized. Michelle Schwengel, Illustrator. W.W. Norton & Company; ISBN: 0393321320.

Hölldobler, Bert, and Edward O. Wilson. 1990. The Ants. The Belknap Press of Harvard University Press. Cambridge, Massachusetts. 732 pg.

Taber, Stephen Welton. 1998. The World of the Harvester Ants. Number 23, W.L. Moody, Jr., Natural History Series. Texas A&M University Press. College Station, Texas. 213 pg.

Taber, Stephen Welton. 2000. Fire Ants. Agricultural Series, Number 3. Texas A&M Univiersity Press. College Station, Texas. 308 pg.

Wheeler, George C. and Jeanette Wheeler. 1973. Ants of Deep Canyon Colorado Desert, California. Philip L. Boyd Deep Canyon Desert Research Center. University of California, Riverside. 162 pg.

Wheeler, George C. and Jeanette Wheeler. 1986. The Ants of Nevada. The Natural History Museum of Los Angeles County. Los Angeles, California. 138 pg.

Wheeler, W.M. 1910. Ants Their Structure, Development and Behavior. Columbia Biological Series, Number 9. Columbia University Press. 663 pg.

Wilson, Edward O. 2003. Pheidole in the New World: A Dominant, Hyperdiverse Ant Genus. Harvard University Press. Cambridge, Massachusetts.