"Lengua. Boletín de la Academia Nicaragüense de la Lengua Correspondiente a la Española" Vol. 5-8, 1951, undated

"Lengua. Boletín de la Academia Nicaragüense de la Lengua Correspondiente a la Española" Vol. 5-8, 1951, undated, Box: 12, Folder: 4. Pablo Antonio Cuadra Collection of Nicaraguan Literary Materials, 2022-21. Benson Latin American Collection, The University of Texas at Austin. https://archives.lib.utexas.edu/repositories/4/archival_objects/397377 Accessed September 26, 2026.