00652cam a2200205 4500 545745292 TxAuBib 790427s1972||||||||||||||||||||||||eng|u 9780818902192 0818902191 (OCoLC)4662 FJK FJK OCL TxAuBib Pitrone, Jean Maddern, 1920- Chavez, man of the migrants. New York : Pyramid Books, 1972. 169 p : illus ; 19 cm. Chavez, Cesar 1927-1993. Agricultural laborers Labor unions United States. Migrant labor United States.