Schoonover, T., & Schoonover, E. (2012). Statistics for an understanding of foreing intrusions into Central America from the 1820s to 1930. Part III. Concluded. Anuario De Estudios Centroamericanos, 16(1-2), 77–119. Recuperado a partir de https://revistas.ucr.ac.cr/index.php/anuario/article/view/2344