| Authors(s) | Ernst, C. H., and R. W. Barbour. |
| Year | 1972 |
| Title | Turtles of the United States. Univ. Press Kentucky, Lexington. 347 pp. |
| Authors(s) | Ernst, C. H., and R. W. Barbour. |
| Year | 1972 |
| Title | Turtles of the United States. Univ. Press Kentucky, Lexington. 347 pp. |