Papers of Dr. William Henry Gray (1810-1889), a physician and lay missionary for the American Board of Commissioners of Foreign Missions who was active in the Oregon Territory. Includes typescript and original letters and other documents regarding missionary activities; typescript of the diary of Gray's wife, Mary Augusta Dix Gray; original of William Henry Gray's diary for 1836-1837, and original documents concerning a land claim dispute that Gray had with Josiah L. Parrish.

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.