The History of Hancock New Hampshire is an extensive manuscript of over 1,000 pages which details not only the history of the town from its inception to the end of the 19th century, but also comprises over 700 pages worth of Hancock NH family genealogies.
Source
Hayward, William Willis. The history of Hancock, New Hampshire, 1764-1889. Lowell, Mass. : Vox populi press; S. W. Huse & co., 1889.