The influence of farm machinery on production and labor
Series: Publications of the American Economic Association -- 3rd ser. v. 5, no. 4; Library of American civilization -- LAC 11785.
Publisher: Published for the association by Macmillan
Published: 1904
Place of publication: New York
Language: eng
Format: Microform
Number of pages: 106
Subjects: Farm mechanization
Notes: Microfiche. Chicago : Library Resources, 1970. 1 microfiche ; 8 x 13 cm. (Library of American civilization ; LAC 11785)

s 1970 ilu n