00686cam a2200241 4500 606407322 TxAuBib 20151006120000.0 000318s1995||||||||||||||||||||||||eng|u 95005976 9780760300305 0760300305 (OCoLC)32049842 TxAuBib Leffingwell, Randy. Farm Tractors: A Living History. Osceola, WI : Motorbooks Intl, 1995. 240 pgs. : illus. 20110915. Farm Tractors-Design and Construction. Farm Tractors--History. TXNAV