Papers of Robert Newell (1807-1869), a trapper, emigrant to Oregon, and Indian agent. Includes a typescript copy of Newell's diary of an 1868 voyage from Portland, Oregon, to Washington, D.C., with Nez Perce (Nimiipuu) leaders; handwritten copies of letters regarding William Gray's "History of Oregon"; and Newell's account of the 1843 meeting at Champoeg, which formed the provisional government of the Oregon Territory. Only a small number of the items are original documents.