Bookshelf of pre-1923 Online Reference Books
Shortlist of important books on history local to Milan, NY through Google
General History of Duchess [sic] County, From 1609 to 1876. PH. Smith, 1877 Archive.com
Newspaper Search
Fulton History Complete List By Individual Name XLS sheet
Wikipedia List of All Online Newspapers
Genealogy
1800’s Dutchess County Maps
1829 Burr New York Public Library
1839 Burr New York Public Library
1850 Gillette Library of Congress
1858 Gillette Library of Congress
1867 Beers Rumsey Map Collection