01031cam a2200265 i 4500 630411350 TxAuBib 20000202120000.0 000203s1991||||||||||||||||||||||||und|u 9780879385323 0879385324 TXBRI eng rda TXBRI TxAuBib rda Leffingwell, Randy, 1948- The American Farm Tractor. New York : Motorbooks Int., 1991. 191 pages, illustrations, 26 cm. txt rdacontent n rdamedia nc rdacarrier This is the complete history of the American farm tractor with technical drawings, historical photos and original ads. Includes John Deere, Caterpillar, Allis-Chalmers, Case, International-Harvester, Ford, Massey, White and others. 20000202. Tractors Farm United States. Farm tractors United States History. TXBRI