Quizá quiso decir: Search also for narrower subjects Search also for related subjects Search also for broader subjects Piaget, Jean, 1896-1980 Ortega, Luis, 1980- Fromm, Erich, 1900-1980 Eiff, Leonardo, 1980- Tobolla, Jennifer, 1980- Watanabe, Issa, 1980- Hitchcock, Alfred, 1899-1980. Sartre, Jean-Paul, 1905-1980. Cámpora, Héctor José, 1909-1980 Pearson, E. S. 1895-1980 (Egon Sharpe), Gaude, Cristian Leonardo, 1980- Primer Simposio de Arquitectura (Valencia : 21 al 24 de abril, 1980) Yáñez, Agustín, 1904-1980 Devambez, Pierre, 1902-1980 Bateson, Gregory, 1904-1980 McLuhan, Marshall, 1911-1980. Gouldner, Alvin Ward, 1920-1980