 A prolific writer, Galarza's best-known work is "Merchants of Labor" (1964), an exposé of the abuses within the Bracero Program.The book was instrumental in the ending of the program, which in turn opened the door for Cesar Chavez to begin unionizing immigrant farmworkers in 1965.In 1956 Galarza was awarded the Bolivian Order of the Condor of the Andes.