Letter from Cesar Chavez to Julian Nava, May 11, 1971. Nava and Chavez worked together throughout their careers. In 1967, Chavez, then president of the National Farm Workers Association (later the United Farm Workers), assisted Nava in his candidacy for the Los Angeles Board of Education. In this letter, Chavez thanks Nava for writing a letter to Congressman Barry Morris Goldwater, Jr., the son of Senator Barry Goldwater. Julian Nava Collection. Latino Cultural Heritage Digital Archives.