Wiese, R.J. and K. Willis. Population management of zoo elephants. International Zoo Yearbook 40: 80-87, 2006.
Wiese, R.J. and K Willis. Calculation of Longevity and Life Expectancy in Captive Elephants. Zoo Biology 23:365-373, 2004.
Willis, K. Unpedigreed Populations and Worst-Case Scenarios. Zoo Biology 20:305-314, 2001.
Willis, K.B. and R.J. Wiese. Elimination of inbreeding depression from captive populations: Speke's gazelle revisited. Zoo Biology, 16:9-16, 1997.
Wiese, R.J. and K. Willis. How Species Survival Plans have helped change animal management. Animal Keepers' Forum 23:68-72, 1996.
Wiese, R.J. and K. Willis. Genetic, demographic, and biological considerations in making Species Survival Plan breeding recommendations. Animal Keepers' Forum 23:82-86, 1996.
Hutchins, M., K. Willis, and R. Wiese. Strategic Collection Planning: Theory and Practice. Zoo Biology 14:5-25, 1995.
Hutchins, M., K. Willis, and R.J. Wiese. Authors' response to comments. Zoo Biology 14:67-80, 1995.
Earnhardt, J.M., S.D. Thompson, and K. Willis. ISIS Database: An evaluation of records essential for captive management. Zoo Biology 14:493-508, 1995.
Earnhardt, J.M., S.D. Thompson, and K. Willis. Reply to Flesness et al. Zoo Biology 14:519-522, 1995.
Chesser, R.K., K.B. Willis, and N.E. Mathews. Impacts of Toxicants on Population Dynamics and Gene Diversity in Avian Species. Pp. 171-187 in Wildlife Toxicology and Population Modeling: Integrated Studies of Agroecosystems., 1994.
Wiese, R.J., K. Willis, and Hutchins, M. Is Genetic and Demographic Management Conservation? Zoo Biology 13:297-299, 1994.
Willis, K.B. Use of Individuals of Unknown Ancestry in Scientifically Managed Breeding Programs. Zoo Biology 12:161-172, 1993.
Willis, K.B. and R.J. Wiese. Effect of New Founders on Retention of Gene Diversity in Captive Populations: A Formalization of the Nucleus Population Concept. Zoo Biology 12:535-548, 1993.
Willis, K.B., M.R. Willig, and J.K. Jones, Jr. Vampyrodes caraccioli. Mammalian Species Account Number 359, pp. 1‑4. Published by the American Society of Mammalogists., 1990.
Gannon, M.R., M.R. Willig, K.B. Willis, and M.P. Moulton. Intraspecific Comparisons of Diet of Cnemidophorus gularis (Sauria:Teiidae) in Central Texas. Texas Journal of Science 42:263‑272, 1990.
Gannon, M.R., and K.B. Willis. Clutch Size and Parasitism of the Texas Spotted Whiptail Cnemidophorus gularis (Sauria:Teiidae), From South Central Texas. Journal of the Southwestern Association of Naturalists 35:215‑217., 1990.
Smith, M. H., K. B. Willis, and P. E. Johns. Spatio‑Genetic Variation in a White‑Tail Deer Herd. Pp. 80-84 in Transactions of the 19th International Union of Game Biologists Congress, 1990.