Here is Bethany Berger’s article on Williams v. Lee in the Michigan Law Review. We first posted about it here.
And here is an abstract of an article by Jessica Owley on tribes as conservation easement holders. The full paper is not yet available for download.
Turtle Talk 
Unfortunately, due to the publisher’s requirements, I am not able to make the book chapter available on SSRN. If you are interested in a copy, please contact me directly (or wait for the book coming out by Ashgate Press and edited by Ezra Rosser and Sarah Krakoff).