Cortés Zavala, María Teresa. “Agustín Stahl: Natural History and the Prehistoric Human in Puerto Rico”. Op.Cit. Revista del Centro de Investigaciones Históricas, no. 23 (March 3, 2022): 151–189. Accessed July 17, 2024. https://revistas.upr.edu/index.php/opcit/article/view/13230.