Roscoe Nelson (1879-1937) was a lawyer and businessman. He graduated from Virginia Law School and moved to Portland, Oregon, in 1911. He was a member of Congregation Beth Israel and was active in Jewish societies and civic organizations. Collection includes correspondence; legal papers; Anti-Semitism speeches and articles; Jewish community material; Tualatin Country Club correspondence, rosters, etc.; financial papers; documents relating to Kelly Process, Inc.; and a scrapbook.