Native American non-binary identities have existed for thousands of years. For more on GAI and Two-Spirit history, check out: . Brian Joseph Gilley, Becoming Two-Spirit: Gay Identity and Social Acceptance in Indian Country (Lincoln: University of Nebraska Press, 2006). . Maia G. Sheppard and J.B. Mayo, “The Social Construction of Gender and Sexuality: Learning from Two Spirit Traditions,” Journal of Social Studies Research 36, no. 3 (Fall 2012), 263-282.