José Guadalupe Posada: 25 Prints Folio (PICT 999-009), Center for Southwest Research and Special Collections, University of New Mexico Libraries
José Guadalupe Posada: 25 Prints Folio (PICT 999-009), Center for Southwest Research and Special Collections, University of New Mexico Libraries https://nmarchives.unm.edu/repositories/22/resources/2870 Accessed February 12, 2025.