Archive.org has digitized a great number of books related to
Orleans 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.
Landmarks of Orleans County, New York by Isaac S Signor, 1894
Pioneer history of Orleans County, New York; containing some account of the
civil divisions of Western New York by Arad Thomas, 1871