↑ "United States Census, 1930," index and images, FamilySearch (https://familysearch.org/pal:/MM9.1.1/X38N-XJL : accessed 29 Mar 2014), William M Sisson in household of Philip Sisson, Lansing, Mower, Minnesota, United States; citing enumeration district (ED) 0019, sheet 7B, family 150, NARA microfilm publication T626, roll 1108.
↑ "United States Census, 1940," index and images, FamilySearch (https://familysearch.org/pal:/MM9.1.1/KSVP-9TF : accessed 29 Mar 2014), William M Sisson in household of Philip B Sisson, Ward 3, Rochester, Rochester City, Olmsted, Minnesota, United States; citing enumeration district (ED) 55-29A, sheet 1A, family 4, NARA digital publication of T627, roll 1944.
"United States Social Security Death Index," index, FamilySearch (https://familysearch.org/pal:/MM9.1.1/JTL1-X66 : accessed 29 Mar 2014), null, 24 Dec 2006; citing U.S. Social Security Administration, Death Master File, database (Alexandria, Virginia: National Technical Information Service, ongoing).
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