- California Turtle and Tortoise Club
- Turtle and tortoise articles by David Kirkpatrick
- World Chelonian Trust care sheets
- Outdoor enclosures for turtles and tortoise
- Creating a backyard wetlands environment for aquatic and semi-aquatic turtles
- American mud and musk turtles
Box Turtles
Aquatic Turtles
Softshell Turtles
Sideneck Turtles
Sea Turtles
Tortoises
Starkey, et al. 2003. Molecular systematics, phylogeography, and the effects of Pleistocene glaciation in the painted turtle (Chrysemys picta) complex. Evolution 57(1): 119-128.
Storey, et al. 1988. Hatchling turtles survive freezing during winter hibernation. PNAS 85: 8350-4.