Letter from Rafael Martinez Pupo to General Sr. D. Francisco Franco of Spain (in Spanish), January 30, 1964 (includes an attached handwritten note: 'Letter to General Franco shortly before being invitied to an audience with him. The meeting led to the 'Rafael Plan'')

Letter from Rafael Martinez Pupo to General Sr. D. Francisco Franco of Spain (in Spanish), January 30, 1964 (includes an attached handwritten note: 'Letter to General Franco shortly before being invitied to an audience with him. The meeting led to the 'Rafael Plan''), https://ufdc.ufl.edu/AA00007522/00001. Special and Area Studies Collections, George A. Smathers Libraries, University of Florida. https://findingaids.uflib.ufl.edu/repositories/2/digital_objects/11242 Accessed August 17, 2026.