3. "Permanent Way Department. Report for Half Year January to June, 1921" Notations of work undertaken by area with financial breakdown., 10.10.1921

3. "Permanent Way Department. Report for Half Year January to June, 1921" Notations of work undertaken by area with financial breakdown., 10.10.1921, Box: 1. Mexican Railway Company Limited Records, 2014-22. Benson Latin American Collection, The University of Texas at Austin. https://archives.lib.utexas.edu/repositories/4/archival_objects/503507 Accessed September 25, 2026.