Conklin, Robert, Think yourself to the riches of life / Robert Conklin. - Chicago : Contemporary Books, c1992. - x, 166 p. ; 24 cm. ISBN: 0809238896 (cloth) : Subjects--Topical Terms: Success--Psychological aspects. LC Class. No.: BF637.S8 / C644 1992 Dewey Class. No.: 158/.1