O‘NEILL, Ana María. FREDERICK MAYER, New Direaions [or the American University, Washington, D. c.: Public Affairs Press, 1957. 52 págs. Revista de Ciencias Sociales, [S. l.], n. 4, p. 527–258, 1958. Disponível em: https://revistas.upr.edu/index.php/rcs/article/view/9924. Acesso em: 27 sep. 2024.