- Abusaada H & Elshater A. Building sustainable habitats for free-roaming cats in public spaces: A systematic literature review. Journal of Applied Animal Welfare, December, 2021.
- Aeluro S, Buchanan JM, Boone JD. “State of the Mewnion:” Practices of feral cat care and advocacy organizations in the United States. Frontiers in Veterinary Science, 2021.
- Best Friends Animal Society. Trap-neuter-vaccinate-return (TNVR) success stories. Accessed online August 6, 2023.
- Finkler H, Gunther I, Terkel, J. Behavioral differences between urban feeding groups of neutered and sexually intact free-roaming cats following a trap-neuter-return procedure. JAVMA, 2011.
- Finkler H, Hatna E & Terkel J. The impact of anthropogenic factors on the behavior, reproduction, management and welfare of urban, free-roaming cat populations. Anthrozoos 24(1), 2011.
- Foley P, Foley JE, Levy JK, Paik T. Analysis of the impact of trap-neuter-return programs on populations of feral cats. JAVMA, 2005.
- Hughes KL, Slater MR, Haller L. The effects of implementing a feral cat spay/neuter program in a Florida county animal control service. Journal of Applied Animal Welfare, 2002.
- Johnson KL & Cicirelli J. Study of the effect on shelter cat intakes and euthanasia from a shelter neuter return project of 10,080 cats from March 2010 to June 2014. PeerJ 2, e646, 2014.
- Jones AL, Downs CT. Managing feral cats on a university’s campuses: How many are there and is sterilization having an rffect? Journal of Applied Animal Welfare Science 14, 2011.
- Hurley KF & Kevy JK. Rethinking the animal shelter’s role in free-roaming cat management. Frontiers in Veterinary Science, Mar 8, 2022.
- Kreisler RE, Cornell HN & Levy JK. Decrease in population and increase in welfare of community cats in a twenty-three year trap-neuter-return program in Key Largo, FL: The ORCAT program. Frontiers in Veterinary Science 6, 2019.
- Levy JK, Crawford PC. Humane strategies for controlling feral cat populations. JAVMA, 2004.
- Levy JK, Gale DW, Gale LA. Evaluation of the effect of a long-term trap-neuter-return and adoption program on a free-roaming cat population. Journal of the American Veterinary Medical Association 222, 42–46, 2003.
- Levy JK, Isaza NM, Scott KC. Effect of high-impact targeted trap-neuter-return and adoption of community cats on cat intake to a shelter. The Veterinary Journal 201, 269–274, 2014.
- Lord LK. Attitudes toward and perceptions of free-roaming cats among individuals living in Ohio. J Am Vet Med Assoc, Apr 15, 2008.
- Mahlow JC & Slater MR. Current issues in the control of stray and feral cats. J Am Vet Med Assoc, Dec 15, 1996.
- McCarthy RJ, Levine SH. Estimation of effectiveness of three methods of feral cat population control by the use of a simulation model. JAVMA, 2013.
- McDonald JL, Farnworth MJ, & Clements J. Integrating trap-neuter-return campaigns into a social framework: Developing long-term positive behavior change toward unowned cats in urban areas. Frontiers in Veterinary Science 5, 2018.
- Mendes-de-Almeida F, Faria MCF, Landau-Remy G, Branco AS, Barata P, Chame M, Pereira MJS, Labarthe N. The impact of hysterectomy in an urban colony of domestic cats (Felis Catus Linnaeus, 1758). International Journal of Applied Research in Veterinary Medicine 4, 134–141, 2006.
- Mendes-de-Almeida F, Remy GL, Gershony LC, Rodrigues DP, Chame M, Labarthe NV. Reduction of feral cat (Felis Catus Linnaeus 1758) colony size following hysterectomy of adult female cats. Journal of Feline Medicine & Surgery 2011.
- Miller PS, Boone JD, Briggs JR, Lawler DF, Levy JK, Nutter FB, Slater M, Zawistowski S. Simulating free-roaming cat population management options in open demographic environments. PLOS ONE 9, 2014.
- Natoli E, Maragliano L, Cariola G, Faini A, Bonanni R, Cafazzo S, Fantini C. Management of Feral Domestic Cats in the Urban Environment of Rome (Italy). Prev Vet Med 77, 180–185, 2006.
- Nutter FB. Evaluation of a trap-neuter-return management program for feral cat colonies: Population dynamics, home ranges, and potentially zoonotic diseases, North Carolina State University: Raleigh, NC, 2005.
- Robertson S. A review of feral cat control. Journal of Feline Medicine and Surgery. 2007.
- Spehar DD & Wolf PJ. A case study in citizen science: The effectiveness of a trap-neuter-return program in a Chicago neighborhood. Animals 8, 14, 2018.
- Spehar DD & Wolf PJ. An examination of an iconic trap-neuter-return program: The Newburyport, Massachusetts case study. Animals, Oct 31, 2017.
- Spehar DD & Wolf PJ. Back to School: An updated evaluation of the effectiveness of a Long-Term Trap-Neuter-Return program on a university’s free-roaming cat population. Animals, 2019.
- Spehar DD & Wolf PJ. Integrated return-to-field and targeted trap-neuter-vaccinate-return programs result in reductions of feline intake and euthanasia at six municipal animal shelters. Frontiers in Veterinary Science 6, 2019.
- Spehar DD & Wolf PJ. The impact of return-to-field and targeted trap-neuter-return on feline intake and euthanasia at a municipal animal shelter in Jefferson County, Kentucky. Animals 10, 1395, 2020.
- Spehar DD & Wolf, PJ. The impact of targeted trap–neuter–return efforts in the San Francisco Bay area. Animals 10, 2089 2020.
- Stoskopf MK, Nutter FB. Analyzing approaches to feral cat management—One size does not fit all. J Am Vet Med Assoc 225, 1361–1364, 2004.
- Swabrick H & Rand J. Application of a protocol based on trap-neuter-return (TNR) to manage unowned urban cats on an Australian university campus. Animals, May 17, 2018.
- Tennent J, Downs CT. Abundance and home ranges of feral cats in an urban conservancy where there is supplemental feeding: A case study from South Africa. African Zoology 43, 218–229, 2008.
- Tennent J, Downs CT, Bodasing M. Management recommendations for feral cat (Felis Catus) populations within an urban conservancy in KwaZulu-Natal, South Africa. South African Journal of Wildlife Research 39, 137–142, 2009.
- Van Patter L, Flockhart T, Coe J, Berke O, Goller R, Hovorka A, Bateman S. Perceptions of community cats and preferences for their management in Guelph, Ontario. Part 1: A quantitative analysis. Can Vet J 60(1) Jan 2019.
- Wallace JL, Levy JK. Population characteristics of feral cats admitted to seven trap-neuter-return programs in the United States. Journal of Feline Medicine & Surgery, 2006.
- Wolf PJ & Hamilton F. Managing free-roaming cats in U.S. cities: An object lesson in public policy and citizen action. Journal of Urban Affairs 44(2), 2020.
- Wolf PJ & Schaffner JE. The road to TNR: Examining trap-neuter-return through the lens of our evolving ethics. Frontiers in Veterinary Science 5, 2019
- Zaunbrecher KI, Smith RE. Neutering of feral cats as an alternative to eradication programs. Journal of the American Veterinary Medical Association 203, 449–452, 1993.