por Fromm, Erich, 1900-1980 [autor] | Fromm, Erich, 1900-1980. Art of loving | Rosenblatt, Noemí [traductor].
por Hurlock, Elizabeth Bergner, 1898- [autor] | Risso, Washington L [traductor] | Hurlock, Elizabeth Bergner, 1898-. Adolescent development.