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Selections from the papers of the society, organized in 1785, consisting of manuscripts held by the society dated 1692 and 1717-1892, relating to agriculture and to agricultural implements and mach...
Selections from the papers of the society, organized in 1785, consisting of manuscripts held by the society dated 1692 and 1717-1892, relating to agriculture and to agricultural implements and machinery; and correspondence, 1936-1937, of John M. Okie, assistant secretary, with Herbert A. Kellar of the McCormick Historical Association, concerning the acquisition of additional documents obtained by Okie and the society.