PÉREZ VEGA, Ivette. Effects of the Spanish Royal Decree “Cédula de Gracias” of 1815 on Immigration in Puerto Rico, 1810-1930. Revista Umbral (in process), [S. l.], v. 1, n. 14, p. 27 págs., 2022. Disponível em: https://revistas.upr.edu/index.php/umbral/article/view/20364. Acesso em: 17 aug. 2024.