The Church of Jesus Christ of Latter-day Saints, "Pedigree Resource File," database, FamilySearch (https://familysearch.org/ark:/61903/2:2:3QD1-4ZJ : accessed 2016-07-20), entry for James Henry /Smith/.
"United States Census, 1910," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MLZX-NLF : 29 October 2015), James H Smith, Dover Ward 1, Strafford, New Hampshire, United States; citing enumeration district (ED) ED 277, sheet 10B, NARA microfilm publication T624 (Washington, D.C.: National Archives and Records Administration, n.d.); FHL microfilm 1,374,879.
"United States Census, 1920," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MH8X-TZ8 : 14 December 2015), James H Smith, Dover Ward 1, Strafford, New Hampshire, United States; citing sheet 15B, NARA microfilm publication T625 (Washington D.C.: National Archives and Records Administration, n.d.); FHL microfilm 1,821,008.