TY - BOOK AU - Cowhig,James D. TI - Age-grade school progress of farm and nonfarm youth, 1960 AV - HD1751 .A91854 no. 40 PY - 1963/// CY - Washington PB - Economic Research Service, U.S. Dept. of Agriculture KW - Education KW - United States KW - Statistics KW - Youth N1 - Cover title; Includes bibliographical references ER -