Contract between el Fondo Editorial de la Pontifica Universidad Católica, Georgette Vallejo, and Enrique Ballón Aguirre, 1978

Contract between el Fondo Editorial de la Pontifica Universidad Católica, Georgette Vallejo, and Enrique Ballón Aguirre, 1978, Box: 1, Folder: 13. César Vallejo Papers, 2023-48. Benson Latin American Collection, The University of Texas at Austin. https://archives.lib.utexas.edu/repositories/4/archival_objects/394896 Accessed September 26, 2026.