Ancestry Library Edition (available only in the library)--The leading genealogical resource for researching your family history. Provided by 4CLS.
Records, resources, and services for genealogical research; especially good for state census data.
This state wide project provides free online access to a wide range of newspapers chosen to reflect New York's unique history.Another great at home source for genealogy and local history is HathiTrust. "HathiTrust is a partnership of academic & research institutions, offering a collection of millions of titles digitized from libraries around the world." (1) Now local history books are available in digitized format and free (due to copyright law most titles will be published prior to 1927).
(1917) American agriculturist farm directory and reference book of Otsego and Herkimer counties, New York, 1917; a rural directory and reference book including a road map of Otsego and Herkimer counties. New York: O. Judd Co.
Bacon, Edward F. (1902) Otsego County, New York; geographical and historical, from the earliest settlement to the present time, with county and township maps from original drawings. Oneonta, NY: The Oneonta Herald.
Beardsley, Levi. (1852) Reminiscences : personal and other incidents ; early settlement of Otsego County ; notices and anecdotes of public men ; judicial, legal, and legislative matters ; field sports ; dissertations and discussions. New York : Printed by Charles Vinten.
Cooper, William . (1810) A Guide to the wilderness : or, The history of the first settlement [i.e. settlements] in the western counties of New York, with useful instructions to future settlers / In a series of letters address [i.e. addressed] by Judge Cooper, of Coopers-town, to William Sampson, barrister, of New York. Dublin: Gilbert & Hodges.
Ellis, D.A. (1892) Grand Army of the Republic. History of the order in the U. S. by counties. Otsego County posts, Department of New York, including a complete record of soldiers surviving and buried in the county, with company and regiment, together with valuable statistics & miscellaneous matters. Otsego N.Y.: Press of Historical Publishing Co.
Hurd, D. Hamilton. (1878) History of Otsego County, New York. With illustrations and biographical sketches of some of its prominent men and pioneers. Philadelphia: Everts & Fariss.(1) https://www.hathitrust.org/