00768cam a2200253 4500 48405164 TxAuBib 20040130120000.0 ||||||s1998||||||||||||||||||||||||und|u 97045057 9781567995602 1567995608 (OCoLC)37890527 TxAuBib Halberstadt, April, 1943- Farm tractors / text by April Halberstadt ; photography by Hans Halberstadt. New York : Metro Books, 1998. p. cm. Includes index. 20040130. Farm tractors United States History. Tractor industry United States History. YT4