Agricultural price analysis /
Shepherd, Goeffrey Seddon, 1898-
Agricultural price analysis / Geoffrey S. Shepherd. - 5th ed. - Ames : Iowa State University Press, 1963. - viii, 348 p. : ill.
Agricultural prices.
Agricultural prices--United States.
Agricultural price analysis / Geoffrey S. Shepherd. - 5th ed. - Ames : Iowa State University Press, 1963. - viii, 348 p. : ill.
Agricultural prices.
Agricultural prices--United States.