00834cam a22002651a 4500 agr57000116 DLC 20260227111018.0 831216s1957 dcua b f000 0 eng agr57000116 (OCoLC)10227654 DLC IMolD DNAL DLC premarc n-us--- S21 .A74 no. 171 1 Ag84Ab no.171 E200 McElveen, Jackson Vahl, 1922- Family farms in a changing economy / [by Jackson V. McElveen]. Washington, D.C. : Agricultural Research Service, U.S. Dept. of Agriculture, 1957. ii, 94 p. : ill. ; 26 cm. Agriculture information bulletin ; no. 171 Literature cited : p.73-74. Family farms United States. 11601 11601