00807cam a22002531 4500001001300000003000400013005001700017008004100034010001700075035002000092040001900112042001200131050001500143070001200158072000900170100005500179245008000234260007700314300006700391500005100458650001100509700001800520999001500538agr23000072 DLC20260227110943.0880803s1922 iluabf 000 0 eng  aagr23000072  a(OCoLC)18305513 aDLCcDNALdDLC apremarc00aSF395b.W40 a46bW4800aL1001 aWentworth, Edward N.q(Edward Norris),d1887-1959.10aProgressive hog raising.cBy Edward N. Wentworth. Assisted by E. R. Gentry. aChicago,bArmour's bureau of agricultural research and economics,c1922. a88 p.bfront., plates (1 col. and double) map, diagrs.c17 cm. aFrontispiece and plates printed on both sides. 0aSwine.1 aGentry, E. R. c8826d8826