"United States Census, 1940," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:VRT8-ZXF : accessed 29 October 2015), Richard R Gulstrom in household of Alfred H Gulstrom, Tillamook, Tillamook Election Precinct 5, Tillamook, Oregon, United States; citing enumeration district (ED) 29-36, sheet 62A, family 186, NARA digital publication T627 (Washington, D.C.: National Archives and Records Administration, 2012), roll 3379.
"Oregon, County Marriages, 1851-1975", database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:V65X-CV4 : accessed 29 October 2015), Richard Raymond Gulstrom and Jeanne Anne Blandford, 1945.
"United States Social Security Death Index," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:JB3C-MNB : accessed 29 October 2015), Richard R Gulstrom, 15 Oct 1997; citing U.S. Social Security Administration, Death Master File, database (Alexandria, Virginia: National Technical Information Service, ongoing).