↑ "Washington, County Marriages, 1855-2008," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:QPMG-5QJZ : 28 November 2018), Max Dudley and Viola Matlock, 29 Sep 1917, Walla Walla, Walla Walla, Washington, United States, Washington State Archives, Olympia; FamilySearch digital folder 005016781.
↑ "Washington, County Marriages, 1855-2008," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:QPMT-FC5L : 28 November 2018), Max Dudley and Viola Matlock, 29 Sep 1917, Walla Walla, Walla Walla, Washington, United States, Washington State Archives, Olympia; FamilySearch digital folder 005016291.
↑ "Washington Death Certificates, 1907-1960," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:N317-YQ9 : 10 March 2018), Max M. Dudley, 01 Sep 1956; citing Seattle, King, Washington, reference 16556, Bureau of Vital Statistics, Olympia; FHL microfilm 2,033,653.
"United States World War I Draft Registration Cards, 1917-1918", database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:K6ZB-N4H : 25 August 2019), Max M Dudley, 1917-1918.
"United States World War II Draft Registration Cards, 1942," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:QVJT-XSLM : 17 October 2017), Max M Dudley, 1942; citing NARA microfilm publication M1936, M1937, M1939, M1951, M1962, M1964, M1986, M2090, and M2097 (Washington D.C.: National Archives and Records Administration, n.d.).
"United States Census, 1900," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MSDP-Z78 : accessed 4 October 2019), Max M Dudley in household of Eugene A Dudley, North Athena, South Athena, and Valley Precincts Athena town, Umatilla, Oregon, United States; citing enumeration district (ED) 113, sheet 10A, family 217, NARA microfilm publication T623 (Washington, D.C.: National Archives and Records Administration, 1972.); FHL microfilm 1,241,352.
"United States Census, 1910," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MLYP-XJF : accessed 4 October 2019), Max M Dudley in household of Eugene A Dudley, South Athena, Umatilla, Oregon, United States; citing enumeration district (ED) ED 271, sheet 8B, family 177, NARA microfilm publication T624 (Washington D.C.: National Archives and Records Administration, 1982), roll 1289; FHL microfilm 1,375,302.
"United States Census, 1920," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MHJ8-QW5 : accessed 4 October 2019), Max M Dudley, La Crosse, Whitman, Washington, United States; citing ED 156, sheet 7A, line 50, family 15, NARA microfilm publication T625 (Washington D.C.: National Archives and Records Administration, 1992), roll 1944; FHL microfilm 1,821,944.
"United States Census, 1930," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:XHDL-YNN : accessed 4 October 2019), Max Dudley, Bonners Ferry, Boundary, Idaho, United States; citing enumeration district (ED) ED 2, sheet 2A, line 1, family 24, NARA microfilm publication T626 (Washington D.C.: National Archives and Records Administration, 2002), roll 398; FHL microfilm 2,340,133.
"United States Census, 1940," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:K938-1CY : 27 July 2019), Max Dudley, Tract N-1, Seattle, Seattle Election Precinct, King, Washington, United States; citing enumeration district (ED) 40-238, sheet 10B, line 74, family 255, 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 4381.