Crabtree Katherine. Lopker John. Pictures of Personality : Guide to the Four Human Natures - 1st ed. - Los Angeles Typology 2000 - 200 p. ISBN: 0970581009 Subjects--Topical Terms: TYPOLOGY (PSYCHOLOGY) / TEMPERAMENT / MYERS - BRIGGS TYPE INDICATOR LC Class. No.: BF698.3 / L864P 2000