| Authors(s) | Snow, D. W. |
| Year | 1964 |
| Title | The giant tortoises of the Galápagos Islands. Their present status and future chances. Oryx 7: 277-290. |
| Authors(s) | Snow, D. W. |
| Year | 1964 |
| Title | The giant tortoises of the Galápagos Islands. Their present status and future chances. Oryx 7: 277-290. |