Fretz, J. Winfield (Joseph Winfield), 1910- Mennonite colonization in Mexico : an introduction / J. Winfield Fretz - Akron, Pa : Mennonite Central Committee, 1945. - 40 p. : il. ; 20 cm. Subjects--Topical Terms: Menonitas - ColonizaciónMenonitas - México Dewey Class. No.: 289.772 F888