Farm tractors
Subtitle: trends in type, size, age and use
By: [by Julius J. Csorba].
Series: Agriculture information bulletin ;; no. 231
Publisher: Agricultural Research Service, U.S. Dept. of Agriculture
Published: 1960
Place of publication: Washington, D.C
Language: eng
Number of pages: 16
Subjects: Farm tractors.
Notes: Bibliography: p. 16.
Cover title.