00807cam a22002531 4500 agr23000072 DLC 20260227110943.0 880803s1922 iluabf 000 0 eng agr23000072 (OCoLC)18305513 DLC DNAL DLC premarc SF395 .W4 46 W48 L100 Wentworth, Edward N. (Edward Norris), 1887-1959. Progressive hog raising. By Edward N. Wentworth. Assisted by E. R. Gentry. Chicago, Armour's bureau of agricultural research and economics, 1922. 88 p. front., plates (1 col. and double) map, diagrs. 17 cm. Frontispiece and plates printed on both sides. Swine. Gentry, E. R. 8826 8826