"United States Census, 1920," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MX2Y-XH9 : accessed 18 February 2016), John A Hancock Jr. in household of John A Hancock, Russell Gulch, Gilpin, Colorado, United States; citing sheet 2B, NARA microfilm publication T625 (Washington D.C.: National Archives and Records Administration, n.d.); FHL microfilm 1,820,165.
"United States Census, 1930", database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:X74W-HDB : accessed 18 February 2016), John A Hancock in entry for John A Hancock Jr., 1930.
"Colorado Statewide Marriage Index, 1853-2006," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:KNQW-L9R : accessed 18 February 2016), John Allen Hancock and Veta Louise Dudney, 06 Feb 1937, Idaho Springs, Douglas, Colorado, United States; citing no. 1802, State Archives, Denver; FHL microfilm 1,690,084.
Memorial: Find a Grave (has image) Find A Grave: Memorial #52816628 (accessed 12 March 2024) Memorial page for John A. Hancock (23 Jul 1910-29 Jun 1985), citing Golden Cemetery, Golden, Jefferson County, Colorado, USA (plot: City 201A-3-8); Maintained by Scotti McCarthy (contributor 46979732).
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