One farm or two?
Subtitle: An analysis of structural changes that would make possible a general application of mechanized farming in the United States
By: Leonard Hastings Schoff.
Publisher: s.n.]
Published: 1948
Place of publication: [United States?
Language: eng
Number of pages: 91
Subjects: Agricultural machinery.; Agriculture -- Economic aspects -- United States.
Notes: Bibliography: p. [89]-91.
Thesis (Ph. D.)--Columbia University, 1946.