Mostly correspondence between Galarza and Anderson. Also contains Galarza's letters to other individuals; many letters are from the period in which he was secretary of the National Agricultural Workers Union. Topics include El Centro Reception Center and DiGiorgio film, Strangers in our Fields, farm worker unemployment, Public Law 78, illegal use of braceros, Imperial Valley; U.S. Dept. of Labor, and Louis Tagaban's eviction from El Centro welcome center.