↑ "United States Census, 1940," database with images, FamilySearch (https://www.familysearch.org/ark:/61903/1:1:K9QD-9NL : 5 January 2021), Simon Robles, Colusa Judicial Township, Colusa, California, United States; citing enumeration district (ED) 6-4, sheet 9A, line 5, family 163, 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 194.
↑ "California Death Index, 1940-1997," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:VP6N-HZG : 26 November 2014), Simon Mendez Robles, 02 Jan 1986; Department of Public Health Services, Sacramento.
↑ "United States Social Security Death Index," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:JGW4-YM8 : 11 January 2021), Simon Robles, Jan 1986; citing U.S. Social Security Administration, Death Master File, database (Alexandria, Virginia: National Technical Information Service, ongoing).
↑ Find A Grave, database and images (https://www.findagrave.com : accessed 07 October 2019), memorial page for Simon Mendez Robles (3 Mar 1903–2 Jan 1986), Find A Grave Memorial no. 112570384, citing Grand Island Cemetery, Grimes, Colusa County, California, USA ; Maintained by carrie bayless sibley (contributor 47344251) .[1]
↑ Grand Island Cemetery (Grimes, California, United States.) Simon Robles’ headstone. Personally photographed by Kim Collins, 4 Oct 2019.