TY - BOOK AU - Brewster,John M. TI - Farm resources needed for specified income levels AV - S21 .A74 no. 180 PY - 1957/// CY - Washington, D.C. PB - Agricultural Research Service, U.S. Dept. of Agriculture KW - Income KW - United States KW - Farms N1 - Cover title; Includes bibliographical references ER -