por Smith, Samuel, 1904 [autor] | Alsina Thevenet, Homero, 1922- [traductor] | Smith, Samuel, 1904-. Ideos of the great psychologists.
por Smith, Samuel, 1904- [autor] | Shores, Louis, 1904- [colaborador] | Brittain, Robert [colaborador] | Smith, Samuel. Best methods of study.