Coues 1875, pp. 136–137. Coues, Elliott (1875). "Synopsis of the Geomyidae". Proceedings of the Academy of Natural Sciences of Philadelphia. 27: 136–137. Retrieved 8 February 2015.
Carraway & Kennedy 1993, p. 952. Carraway, Leslie N.; Kennedy, Phyllis K. (November 1993). "Genetic variation in Thomomys bulbivorus, an endemic to the Willamette Valley, Oregon". Journal of Mammalogy. 74 (4): 952–962. doi:10.2307/1382434. JSTOR1382434.
Carraway & Kennedy 1993, p. 958. Carraway, Leslie N.; Kennedy, Phyllis K. (November 1993). "Genetic variation in Thomomys bulbivorus, an endemic to the Willamette Valley, Oregon". Journal of Mammalogy. 74 (4): 952–962. doi:10.2307/1382434. JSTOR1382434.
Carraway & Kennedy 1993, p. 957. Carraway, Leslie N.; Kennedy, Phyllis K. (November 1993). "Genetic variation in Thomomys bulbivorus, an endemic to the Willamette Valley, Oregon". Journal of Mammalogy. 74 (4): 952–962. doi:10.2307/1382434. JSTOR1382434.
Carraway & Kennedy 1993, p. 960. Carraway, Leslie N.; Kennedy, Phyllis K. (November 1993). "Genetic variation in Thomomys bulbivorus, an endemic to the Willamette Valley, Oregon". Journal of Mammalogy. 74 (4): 952–962. doi:10.2307/1382434. JSTOR1382434.
Carraway & Kennedy 1993, p. 959. Carraway, Leslie N.; Kennedy, Phyllis K. (November 1993). "Genetic variation in Thomomys bulbivorus, an endemic to the Willamette Valley, Oregon". Journal of Mammalogy. 74 (4): 952–962. doi:10.2307/1382434. JSTOR1382434.
Carraway & Kennedy 1993, p. 952. Carraway, Leslie N.; Kennedy, Phyllis K. (November 1993). "Genetic variation in Thomomys bulbivorus, an endemic to the Willamette Valley, Oregon". Journal of Mammalogy. 74 (4): 952–962. doi:10.2307/1382434. JSTOR1382434.
Carraway & Kennedy 1993, p. 958. Carraway, Leslie N.; Kennedy, Phyllis K. (November 1993). "Genetic variation in Thomomys bulbivorus, an endemic to the Willamette Valley, Oregon". Journal of Mammalogy. 74 (4): 952–962. doi:10.2307/1382434. JSTOR1382434.
Carraway & Kennedy 1993, p. 957. Carraway, Leslie N.; Kennedy, Phyllis K. (November 1993). "Genetic variation in Thomomys bulbivorus, an endemic to the Willamette Valley, Oregon". Journal of Mammalogy. 74 (4): 952–962. doi:10.2307/1382434. JSTOR1382434.
Carraway & Kennedy 1993, p. 960. Carraway, Leslie N.; Kennedy, Phyllis K. (November 1993). "Genetic variation in Thomomys bulbivorus, an endemic to the Willamette Valley, Oregon". Journal of Mammalogy. 74 (4): 952–962. doi:10.2307/1382434. JSTOR1382434.
Carraway & Kennedy 1993, p. 959. Carraway, Leslie N.; Kennedy, Phyllis K. (November 1993). "Genetic variation in Thomomys bulbivorus, an endemic to the Willamette Valley, Oregon". Journal of Mammalogy. 74 (4): 952–962. doi:10.2307/1382434. JSTOR1382434.