14: Summaries, fragments, and obsequens - Geer, Russel Mortimer, <1894-1984>. (OLS)http://semarc/name/66466; Schlesinger, Alfred Cary, <1900-1993>. (OLS)http://semarc/name/66462 (Livy)

La discontinuidad del conocimiento en la teoria de Jean Piaget. Bogota : [s.n.], 1963. ((Excerpta ex dissertatione ad Lauream in Facultate Philosophica Pontificiae Universitatis Gregorianae. - Hernando Silva Mojica, Luis <SJ>. (OLS)http://semarc/name/28374
Keywords: Piaget, Jean. (OLS)http://semarc/subject/7223; Tesi di laurea. (OLS)http://semarc/subject/1690