Papers include correspondence about the Ontario County Historical Society, historic site markers in Ontario County, and the Sullivan Expedition Sesquicentennial of 1929; material on the First Congregational Church, Canandaigua; mss. by Milliken on history of Canandaigua, Ontario County, and western New York; his reminiscences of boyhood in Canandaigua; a list of legal hangings in New York State; and a few clippings. There are also speeches on civil service reform in New York, c.1906-10, given as a member of the Civil Service Commission. Papers of his father Nathan J. Milliken include correspondence on family affairs, newspaper ventures in Seneca Falls and Canandaigua, and politics in the 1850's, with letters from Myron H. Clark, Horace Greeley, and others.
