"United States Census, 1940," database with images, FamilySearch (accessed March 12, 2018), Gary F Graver in household of Raleigh F Graver, Tract 30, Portland, Portland City Election Precinct 331, Multnomah, Oregon, United States; citing enumeration district (ED) 37-440, sheet 9A, line 21, family 147, 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 3392.
garygraver.com
"Biography". Gary Graver Official Site. Archived from the original on March 12, 2018. Retrieved March 12, 2018.