"United States Census, 1930," index and images, FamilySearch (https://familysearch.org/ark:/61903/1:1:X38V-8SW : accessed 21 May 2015), Clare Boyd in household of Duane A Boyd, Rochester, Olmsted, Minnesota, United States; citing enumeration district (ED) 0035, sheet 2B, family 43, line 81, NARA microfilm publication T626 (Washington D.C.: National Archives and Records Administration, 2002), roll 1110; FHL microfilm 2,340,845.