John A. Anderson established himself as a photographer in Nebraska in the late 1880s and was the official photographer for the Crook Treaty Commission in 1889. From 1891 until his death in 1948 he lived on Rosebud Reservation in South Dakota. Source: http://www.nmai.si.edu/searchcollections/item.aspx?irn=322896&partyid=1905&src=1-2