Vital records of Hardwick, Massachusetts, to the year 1850 @ 355 (FHL microfilm 0,873,754 Item 3) in his 75th y. G.R.I.
The cited information was published by Wright & Potter, Boston, 1917 (Ref: 355 (FHL microfilm 0,873,754 Item 3) in his 75th y. G.R.I.)