Kelsch, Steven W.; Hendricks, Fred S. (September 1990). "Distribution of the Headwater Catfish Ictalurus lupus (Osteichthyes: Ictaluridae)". The Southwestern Naturalist. 35 (3): 292–297. JSTOR3671942.
natureserve.org
explorer.natureserve.org
NatureServe (3 February 2023). "Ictalurus lupus". NatureServe Network Biodiversity Location Data accessed through NatureServe Explorer. Arlington, Virginia: NatureServe. Retrieved 16 February 2023.