Archive.org has digitized a great number of books related to Lewis County. I've selected a number of them to highlight below. Clicking on the book title will take you to the on-line book to read. Clicking this link will take you to a listing of many more books than what we've highlighted on this page.A History of Lewis County, in the State of New York: from the beginning of its settlement to the present time by Franklin Benjamin Hough, 1860
History of Lewis County, New York; with Biographical Sketches of some of its prominent men and pioneers by Franklin Benjamin Hough, 1883.
Soldiers of Osceola, Lewis County, New York, in the Great War of 1914-1918, 1920