Los Calchakis, Musical Mysteries of the Andes, New York: Peters International FARN 91027, 1975

Los Calchakis, Musical Mysteries of the Andes, New York: Peters International FARN 91027, 1975, Box: 131. Américo Paredes Papers, 51244413. Benson Latin American Collection, The University of Texas at Austin. https://archives.lib.utexas.edu/repositories/4/archival_objects/458472 Accessed September 25, 2026.