Jackson, Douglas N. (Douglas Northrop), 1929-2004 Personality research form manual / Douglas Northrup Jackson - 3rd. ed. - Port Huron, Mi. : Research Psychologists Press, c1984. - 70 p. : ill.; 28 cm. ISBN: 0969165307 Subjects--Topical Terms: Personality tests, Dewey Class. No.: 155.23 / JAP