Cadwallader, Eva Hauel. Searchlight on values : Nicolas Hartmann's twentieth-century value Platonism / Eva Hauel Cadwallader ; with an introduction by William H. Werkmeister. - Lanham ; University Press of America, c1984. - xxv, 207 p. : ----Bibliography: p. 195-206.- ISBN: 0819143693 (cased) : Subjects--Topical Terms: Values.------- Dewey Class. No.: 121.8 / Se