Lang, B. 2000. Status and distribution of terrestrial snails of Southern New Mexico, Completion Report. Santa Fe: Endangered Species Program, Conservation Services Division, New Mexico Department of Game and Fish. Project Number: E-36(1-5).

Lang, B.K. 2000. Status of Aquatic Mollusks of New Mexico, Performance Report to U.S. Fish and Wildlife Service, Section 6 E-20-8. New Mexico Department of Game and Fish, 69 pp.

• Gammaraus desperatus
• Assiminea pecos
• Pisidium sanguinichristi

Lang, B.K. 2000. Status and Distribution of Terrestrial Snails in Southern New Mexico. Completion Report to U.S. Fish and Wildlife Service, Section 6 E-36-5. 204 p.

Lang, B.K. 2003. Taxonomic assessment of Ashmunella hebardi and Ashmunella mearnsii of the Big Hatchet Mountains, New Mexico. Performance report to U.S. Fish and Wildlife Service, Section 6 E-57-1. 71p.

• Ashmunella hebardi
• Ashmunella mearnsii
• Holospira crossei
• Radiocentrum hachetanum
• Radiocentrum ferrissi

Lang, B. 2005. Taxonomic assessment of Ashmunella hebardi and Ashmunella mearnsii of the Big Hatchet Mountains, New Mexico. New Mexico Department of Game and Fish Project Number E-57(1-3).