found: NUCMC data from Univ. of Virginia Lib. for Scott, H. Papers, 1925-1977 (Hatfield, Mark, 1922-)
found: Oregon Blue Book, 1983/84: p. 417 (Hatfield, Mark O.; govr. of Oregon, 1-12-1959 to 1-9-1967)
found: Vice Presidents of the United States, 1789-1993: CIP t.p. (Mark O. Hatfield) data sheet (b. 07-12-22)
found: BGMI, Oct. 4, 2006 (Hatfield, Mark O. (1922-); Hatfield, Mark Odem (1922-), Hatfield, Mark Odom (1922-), Hatfield, Mark Odum (1922-))
found: Biog. resource center (Contemp. authors), Oct. 4, 2006 (Mark O(dom) Hatfield; b. July 12, 1922, Dallas, Ore.)
found: Biog. dir. of the U.S. Congress, Oct. 4, 2006 (Hatfield, Mark Odom; b. Dallas, Ore., July 12, 1922; U.S. senator, 1967-1997)
found: New York times WWW site, Aug. 8, 2011 (Mark O. Hatfield; b. Mark Odom Hatfield, July 12, 1922, Dallas, Or.; d. Sunday [Aug. 7, 2011], Portland, Or., aged 89; liberal Republican who challenged his party's positions on the Vietnam War and on a balanced-budget amendment to the Constitution during his 30 years as a senator from Oregon)
Hatfield, Mark O., 1922-2011
