Publications of Theodore J. Cohn - some available as PDF files: Click on the page to view it.
Cohn, T.J. 1957. The relationships of the North American genera Rehnia Caudell and Neobarrettia Rehn (Orthoptera, Tettigoniidae). Occ. Pap. Museum of Zoology, Univ. Mich. 588:1-16.
Cohn, T.J. 1965. The arid-land katydids of the North American genus Neobarrettia (Orthoptera: Tettigoniidae). Their systematics and a reconstruction of their history. Miscell. Pub. Museum of Zoology, Univ. Mich. 126:1-179.
Cantrall, I.J. and T.J. Cohn. 1970. Melanoploid genitalia and mechanical isolation. Proc. Internat. Study Conf. Current and Future Problems of Acridology. Session: Taxonomy 35-44, 16 figs.
T.J. Cohn and Cantrall, I.J. 1974. Variation and speciation in the grasshoppers of the Conalcaeini (Orthoptera: Acrididae: Melanoplinae): The lowland forms of western Mexico, the genus Barytettix. San Diego Society of Natural History, Memoir 6. 131 pp.
Cohn, T.J. 1994. A Plea for tabulated descriptions, Keys and Illustrations. Journal of Orthoptera Research. Vol. 3, 55-57. [page 55] [page 56] [page 57]
Cohn, T.J. 1999. Techniques and equipment.(The angle board mounting technique). Metaleptea 19(1):12-13. [pdf file]
Cohn, T.J. 2000. Is Taxonomy Really Scientific? Metaleptea. 20(1):8-9. [page 8] [page 9]
Otte, D.T. and T.J. Cohn. 2002. Review of the genus Sinaloa (Acrididae: Melanoplinae): syntopy and allopatry in the lowlands of western Mexico. Journal of Orthoptera Research 11(2):135-155.