Oral history interview with Mark O. Hatfield conducted by Clark Hansen from July 29, 1998, to May 22, 2002, as part of the Senator Mark O. Hatfield Oral History Project. Hatfield was an Oregon state legislator, Oregon secretary of state, Oregon governor, and a U.S. senator.

Jack Lynch (1896-1973) served as an Oregon state senator from 1943 to 1952. Collection includes correspondence, 1940-1973, regarding advice on campaign strategies to Douglas McKay and Bob Packwood; political speeches; legislative records regarding chiropractors, health professions, and small businesses; newspaper clippings and other papers regarding the "Fugitive Fathers Bill" and a bill prohibiting the sale of firecrackers, both of which were introduced by Lynch.