Mighell, Ronald L. Interregional competition in agriculture, with special refereference to dairy farming in the Lake states and New England - Cambridge, Mass. : Harvard University Press, 1951 - 320 p - Harvard economi studies ; 89 . - Harvard economi studies ; 89 . LCCN: 37780 Subjects--Topical Terms: Competencia interregional. Dewey Class. No.: 338.0185 / M5