Cuesta de Mamulique, Carretera Nacional México–Laredo [entre Monterrey y Sabinas Hidalgo].

Cuesta de Mamulique, Carretera Nacional México–Laredo [entre Monterrey y Sabinas Hidalgo]., Box: 1, Folder: 128. Mercedes Lynn De Uriarte Postcard Collection, BENSON-MS DE URIARTE. Benson Latin American Collection, The University of Texas at Austin. https://archives.lib.utexas.edu/repositories/4/archival_objects/291407 Accessed September 25, 2026.