Low-income families in the Spanish-surname population of the Southwest - Leonard, Olen E. (Olen Earl), 1909-; Johnson, Helen W., 1910- ([Washington] Economic Research Service, U.S. Dept. of Agriculture, 1967)
Bibliography: p. 28-29.
Keywords: Mexicans -- United States; Migrant labor -- Southwestern States; Income -- Southwestern States; Migrant labor -- Southwestern States; Income -- Southwestern States