Collection includes manuscript correspondence between Hugh O'Bryant and family, William Strong, Charles Newell, and R. H. Dearborn, 1842-1878; miscellaneous receipts, 1867-1871.

Collection includes a photostatic reproduction, typescript copy, and microfilm copy of "History of Oregon" by William Strong, derived from a June 20, 1878, interview of Strong by Hubert Howe Bancroft. Also included are papers from the law office of William Strong and Thomas Nelson Strong in Portland, Oregon. William Strong (1817-1887) came to Oregon in 1850; he served as a judge in the Oregon Territory and later as a justice on the supreme courts of Oregon and Washington.