Swine production. - [Rev. - Washington, For sale by the Supt. of Docs., U.S. Govt. Print. Off., 1968] - 30 p. illus. 24 cm. - U.S. Dept. of Agriculture. Farmers' bulletin no. 2166 . LCCN: agr68000165 Subjects--Topical Terms: Swine. LC Class. No.: S21 / .A6 rev. no. 2166, Apr. 1968 Dewey Class. No.: 636.4/08 National Agricultural Library Call No.: 1Ag84F no. 2166 1968