1. Sea turtles. Their natural history and conservation;Bustard,1972
2. The turtle. A natural history of sea turtles;Carr,1968
3. The ecology and migrations of sea turtles, 6. The Hawksbill turtle in the Caribbean Sea;Carr;Am. Mus. Novit.,1966
4. Observations on sea turtles at Aldabra Atoll;Frazier;Phil. Trans. R. Soc. Lond. B,1971