Lowe, Charles H.; Norris, Kenneth S. (1956). "A subspecies of the lizard Sceloporus undulatus from the White Sands of New Mexico". Herpetologica. 12 (2): 125–127. JSTOR3889937. (Sceloporus undulatus cowlesi, new subspecies).
Beolens, Bo; Watkins, Michael; Grayson, Michael (2011). The Eponym Dictionary of Reptiles. Baltimore: Johns Hopkins University Press. xiii + 296 pp. ISBN978-1-4214-0135-5. (Sceloporus cowlesi, pp. 60–61).