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1951. An ecological survey of the Fort Leavenworth Military Reservation. Amer. Midl. Nat., 45(1):187-231, 6 figs., January.

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1943. Soil phenomena as evidence of climatic changes. Amer. Jour.

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1951. New locality records of reptiles in New Mexico. Copeia, 1951(4): 314, December 28.

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1933. Some distributional and ecological records of Kansas reptiles. Trans. Kansas Acad. Sci., 36:186-208.

1935. Further records of the ecology and distribution of amphibians and reptiles in the middle west. Amer. Midl. Nat., 16(3):311-66, May.

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1934. Additional records of the reptiles of the central prairie region of the United States. Trans. Kansas Acad. Sci., 37:193-216.

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1894. On the habits of turtles. Proc. Indiana Acad. Sci., 1893, p. 224, August.

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1939. A system of marking turtles for future identification.

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1942. Turtle populations in southern Illinois. Copeia, 1942(3):155-162, 1 pl., October 8.

1942a. Herpetological fauna of Jackson and Union counties, Illinois. Amer. Midl. Nat., 28(1):164-200, July.

1944. Home range, homing behavior, and migration in turtles. Misc.

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1950. The life history of the slider turtle, _Pseudemys scripta troostii_ (Holbrook). Ecol. Monog., 20(1):31-54, 18 figs., January.

1954. Two new species of the genus _Graptemys_. Tulane Stud. Zool., 1(11):167-86, 15 figs., 1 table, August 26.

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1950. Turtle populations in Louisiana. Amer. Midl. Nat., 43(2):383-88, 2 figs., March.

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1929. The herpetology of Waukesha County, Wisconsin. Copeia, 1929 (170):4-8, April 30.

1937. The turtles of Illinois. Illinois Biol. Monog., 16(1-2):1-218, 31 pls., 20 tables, 20 maps, 15 figs., August 31.

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1940. A contribution to the herpetology of Florida. Univ. Florida Publ., Biol. Sci. Ser., 3(1):1-118, January.

1952. Handbook of turtles. The turtles of the United States, Canada and Baja California. Comstock Publ. a.s.soc., Cornell Univ.

Press, xv + 542 pp., 37 figs., 82 pls., 15 tables, 23 maps.

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1950. Methods for collecting map turtles. Copeia, 1950(4):323-24, December 22.

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1920. Fresh-water turtles: a source of meat supply. Rep't. U. S.

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1956. Distributional notes on some amphibians and reptiles in Kansas. Trans. Kansas Acad. Sci., 59:213-19.

1958. An ecological study of reptiles and amphibians in Osage County, Kansas. Emporia St. Res. Stud., 7(1):1-52, 15 figs., 4 tables, September.

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1956. Common names for North American amphibians and reptiles.

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1930. Field notes of a collecting trip. Bull. Antivenin Inst.

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1951. The reptiles of Ohio. Second edition (with revisionary addenda). Amer. Midl. Nat., Univ. Notre Dame Press, 284 pp., 27 pls., 77 maps.