http://patagoniamonsters.blogspot.com/2009/12/plesiosaur-at-laguna-negra-plesiosaur_15.html
http://query.nytimes.com/mem/archive-free/pdf?res=F60C14FB3D5D1A7A93C3AA1788D85F468285F9
http://patagoniamonsters.blogspot.com/2010/12/teddy-roosevelt-and-lake-monster-hunt.html
http://patagoniamonsters.blogspot.com/2010/08/mylodon-cave.html
http://patagoniamonsters.blogspot.com/2009/10/mylodon-saga.html
