A Chippewa Cree Tribe has never existed in law or fact, the U.S. has extensive treaty relations with the Chippewa people dating from the late 1700s, Chief Rocky Boy was a signor of the 1889 Red Lake Agreement.
In 2008, The history of the Chippewa and Cree of Rocky Boy's Indian Reservation (available online) was published by Stone Child College [REF].