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- A taxonomic reappraisal of the yellow mud turtles, Kinosternon flavescens (Testudines: Kinosternidae). Copeia 1979: 212-225.
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- A checklist with distribution maps of the turtles of the world. Privately printed. Paust Printing, Richmond, Indiana. 283 pp.
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- A Revised Checklist with Distribution Maps of the Turtles of the World. Privately printed. Paust Printing, Richmond, Indiana. 363 pp.
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- The proper taxonomic allocations of Emys nigricans Gray, Emys muticus Cantor, and Geoclemys kwangtungensis Pope. Amphibia-Reptilia 10: 23-33.
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- Variation in East Asian turtles of the genus Mauremys (Bataguridae; Testudines). J. Herpetol. 28(2): 178-187.
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- A new species of Cyclemys (Testudines: Bataguridae) from Southeast Asia. Proc. Biol. Soc. Washington 110: 629-639.
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- A new subspecies of Cuora galbinifrons (Testudines: Batagurinae) from Hainan Island, China. Proc. Biol. Soc. Washington 105: 433-439.
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- Local and geographic variation in the reproductive biology of the snapping turtle (Chelydra serpentina). Herpetologica 53: 96-117.