Here.
HuffPo: “When Native Americans Are Told To ‘Go Back’ To Where They Came From”
Here.
Here.
From the Law and Politics Book Review (H/T Patrick O’Donnell):

Vol. 18 No. 12 (December, 2008) pp.1087-1090
SILENT VICTIMS: HATE CRIMES AGAINST NATIVE AMERICANS, by Barbara Perry. Tucson: The University of Arizona Press, 2008. 176pp. Paper $29.95. ISBN: 9780816525966.
Reviewed by Renee Ann Cramer, Program in Law, Politics, and Society, Drake University. Email: renee.cramer [at] drake.edu.
Disrespect of American Indians was a normal part of my growing up in rural South Dakota. Here is an incident I remember from the 1980s: