Richard Cary Paull

• Aldabran tortoise expert's guide
• All the small and medium-sized tortoises (Tortoises of the world)
• Galapagos tortoise expert's guide
• Orchid Growing Outside in the Kingdom of the Coconut Palm
• The Eighteen Mile Stretch
• The Great Red Foot Tortoise (Vol. 4:Tortoises of the World) 3rd ed
• The Great Red-Foot Tortoise (Vol. 4: Tortoises of the World)
• Tortoise dodos
• Tortoises of Mexico and the United States (Tortoises of the world)