"United States Census, 1930," database with images, FamilySearch (https://www.familysearch.org/ark:/61903/1:1:XQTC-WH5 : accessed 4 February 2021), John D Brow, Winchendon, Worcester, Massachusetts, United States; citing enumeration district (ED) ED 303, sheet 14B, line 72, family 371, NARA microfilm publication T626 (Washington D.C.: National Archives and Records Administration, 2002), roll 966; FHL microfilm 2,340,701.
"United States Census, 1940," database with images, FamilySearch (https://www.familysearch.org/ark:/61903/1:1:K4J8-G53 : 10 January 2021), John Brow, Winchendon, Worcester, Massachusetts, United States; citing enumeration district (ED) 14-321, sheet 2B, line 60, family 44, Sixteenth Census of the United States, 1940, NARA digital publication T627. Records of the Bureau of the Census, 1790 - 2007, RG 29. Washington, D.C.: National Archives and Records Administration, 2012, roll 1656.
Find a Grave, database and images (https://www.findagrave.com : accessed 04 February 2021), memorial page for John Denoise Brow (1898–1942), Find A Grave: Memorial #45306525, citing Calvary Cemetery, Winchendon, Worcester County, Massachusetts, USA ; Maintained by Mr Toytown (contributor 47213629) .