Klauber, Laurence M. "1932 Field Notes of Laurence M. Klauber (March 26)". Internet Archive. See also mention of work on triangular arrangement of primes in Klauber field notes of December 28, 1931 ("Recd today a very encouraging letter from Prof. E.T. Bell re originality of my triangle of primes."), December 31, 1931, and January 1, 1932.
Klauber, L. M. (1943). "The correlation of variability within and between rattlesnake populations". Copeia. 1943 (2): 115–118. doi:10.2307/1437777. JSTOR1437777.
Klauber, L. M. (1943). "The correlation of variability within and between rattlesnake populations". Copeia. 1943 (2): 115–118. doi:10.2307/1437777. JSTOR1437777.