| Sources |
- [S15] 1870 census, New York, Saint Lawrence county.
- [S27361] Genealogy of the descendants of Roger Haskell ca1613-1667, (compiled by Helen Fisher Aponte (with attribution to Robert Charles Haskell for research) for the Haskell Family Association).
- [S11481] 1900 census, Massachusetts, Middlesex county.
- [S9138] Cemetery index, Edson Cemetery, Lowell, Middlesex, Massachusetts, (Find-a-Grave).
- [S20190] 1910 census, Massachusetts, Middlesex county.
- [S63758] Ancestry.com, Howard-Shearman-Tree-2-23-2013.
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