↑ "Massachusetts Deaths, 1841-1915," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:N7NZ-J8G : 22 May 2019), Otis C. Alden, 14 Oct 1862; citing Taunton, Massachusetts, , State Archives, Boston; FHL microfilm 960,180.
↑ Find A Grave, database and images (https://www.findagrave.com : accessed 18 July 2019), memorial page for Otis Cary Alden (4 Jul 1814–14 Oct 1862),
Find A Grave: Memorial #62798025, citing Central Cemetery, Randolph, Norfolk County, Massachusetts, USA ; Maintained by Carol Bestick (contributor 46991759) .
↑ "United States Census, 1850," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MDSW-J9N : 12 April 2016), Otis C Alden, Randolph, Norfolk, Massachusetts, United States; citing family 367, NARA microfilm publication M432 (Washington, D.C.: National Archives and Records Administration, n.d.).
↑ "Massachusetts State Census, 1855," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MQ47-47M : 11 March 2018), Otis C Alden, Randolph, Norfolk, Massachusetts, United States; State Archives, Boston; FHL microfilm 953,955.