Special course in human evaluation / based on the lectures by L. Ron Hubbard. At head of title: A Scientologist hatting course Hubbard, L. Ron (La Fayette Ron), 1911-1986. Scientology. Psychometrics. BP605.S2 H 1992 573 20 BIH One folded chart tipped in. Los Angeles, Calif. : Bridge Publications, c1992. c1992. 1992 Text xxi, 217 p. : eng