por Gesell, Arnold, 1880-1961 [autor] | Reca, Telma [editor] | Loedel, Eduardo [traductor] | Bernstein, Jaime [compilador] | Ilg, Frances Lillian, 1902- [autor] | Ames, Louise Bates [autor] | Gesell, Arnold, 1880-1961. Youth, the years from ten to sixteen.
por Gesell, Arnold, 1880-1961 [autor] | Loedel, Eduardo [traductor] | Ilg, Frances Lillian, 1902- [autor] | Ames, Louise Bates [autor] | Gesell, Arnold, 1880-1961. Youth.
por Ames, Louise Bates [autor].
por Ames, Louise Bates [autor] | Angulo, Pilar [traductor] | Chase, Joan Ames [autor] | Ames, Louise Bates. Don't push your preschooler.
por Gesell, Arnold, 1880-1961 [autor] | Bullis, Glenna E [colaborador] | Bernstein, Jaime [compilador] | Fabricant, Luis [traductor] | Ilg, Frances Lillian, 1902- [colaborador] | Ames, Louise Bates [colaborador] | Gesell, Arnold, 1880-1961. Child from five to ten.
por Gesell, Arnold, 1880-1961 [autor] | Fabricant, Luis [traductor] | Bernstein, Jaime [compilador] | Bullis, Glenna E [colaborador] | Ames, Louise Bates [colaborador] | Ilg, Frances Lilliam % 1902- / Colab | Gesell, Arnold, 1880-1961. Child from five to ten.