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Lang, B. K. 2000. Letter written to Mr. Makenzie of the Monticello Community Ditch Association, dated 23 June 2000.. NM Department of Game and Fish.. 9 p.
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. 1999. Status and distribution of terrestrial snails of southern New Mexico. Unpubl. performance report by NM Dept. of Game and Fish, Santa Fe, NM. 53 p.
Lang, B. 2000. Memorandum: Revision of 2000 Biennial Review Recommendation for Invertebrates. N.M. Department of Game and Fish Memorandum. 4 p.