| tortoisetrust.org | Tortoise Trust Website |
| matts-turtles.org | Mid-Atlantic Turtle and Tortoise Society, Inc. |
| chelonia.org | World Chelonian Trust |
| umich.edu | Order Testudines |
| carettochelys.com | Carettochelys.com |
| nytts.org | New York Turtle and Tortoise Society |
| cccturtle.org | Caribbean Conservation Corporation/Sea Turtle Survival League |
| ashtonbiodiversity.org | Ashton Biodiversity Research and Preservation Institute and Gopher Tortoise Cons |
| tortoise.org | California Turtle and Tortoise Club |
| tortoise-tracks.org | Desert Tortoise Preserve Committee |
United States , California , Culver City