Herring, Herbert P. In quest of a universally valid ethic : the Pedro Arrupe endowment lectures / Herbert P. Herring. - Madras, India : T. R. Publications, 1995 - 116 Paginas. ISBN: 81-85427-69-0 Subjects--Topical Terms: Ética. Filosofía Dewey Class. No.: 170 / H567i