1927-1993 1930- 20thcentury agriculturallaborers biography california cesar chavez christianity churchandsocialproblems churchhistory churchworkwithmigrantlabor dolores history historynationalfarmworkersassociation historyunitedfarmworkersorganizingcommittee huerta humanrightsworkers laborleaders laborunions mexicanamericanmigrantagriculturallaborers mexicanamericans mexicanamericanwomenlaborunionmembers migrantagriculturallaborers religiousaspects solidarity texas unitedfarmworkers unitedstates womenlaborleaders