Economics for agriculture : selected writings. /
Black, John D. 1883-1960.
Economics for agriculture : selected writings. / Edited by James Pierce Calvin, with introductory essays. - Cambridge : Harvard University Press, c1959. - xi, 719 p. : ill. ; 22 cm.
Includes bibliography and index
Agriculture--Economic aspects
23 / BLE 1963
Economics for agriculture : selected writings. / Edited by James Pierce Calvin, with introductory essays. - Cambridge : Harvard University Press, c1959. - xi, 719 p. : ill. ; 22 cm.
Includes bibliography and index
Agriculture--Economic aspects
23 / BLE 1963