↑ USA Social Security Applications and Claims Index 1936-2007 for son Burton THOMAS, race: black b.07 Mar 1882 Cairo, Cady County, Georgia (father: Munrow Thomas & mother: Edna Sims) ss#565168790; Jan 1937.
"United States Census, 1870," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MCST-2BW : 12 April 2016), Edney Simes in household of Henry Simes, Georgia, United States; citing p. 2, family 7, NARA microfilm publication M593 (Washington D.C.: National Archives and Records Administration, n.d.); FHL microfilm 545,645.
1880 USA Census of Harrison, Decatur County, Georgia; available at FamilySearch or ancestry.com citing FHL #1,254,143 NARA #T9_0143 ed #17, sheet 211D, dwelling #176 with:
1900 USA Census of Militia District 576, Duncanville, Thomas, Georgia; FHL #1,240,224, NARA T623, ed 84, sheet 2B, family 47, FamilySearch accessed 2 May 2017 for Eduin McGuff in household of Nash McGuff.
1910 Census of Duncanville, Grady, Georgia, FHL #1,374,202, NARA T624_189, ed 90, sheet 4B, family 53, FamilySearch accessed 2 May 2017 for Edna McGriff in household of Washington McGriff.
1920 Census of Duncanville, Grady, Georgia, FHL #1,820,257, NARA T625_257, ed 77, sheet 11A, line 20, family 203, FamilySearch accessed 2 May 2017 for Edna McGriff in household of Washington McGriff
1930 USA Census of Pasadena, Los Angeles County, California, FHL #2,339,903, NARA T626_168, ed 1205, sheet 3A, line 2, family 61, FamilySearch accessed 2 May 2017 for Edna Mcgriff in household of Jessie M. Robinson.
"California Death Index, 1905-1939," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:QKS9-HRTZ : 5 June 2015), Edna McGriff, 1933; citing 38506, Department of Health Services, Vital Statistics Department, Sacramento, CA.
"Kentucky Death Records, 1911-1962," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:QVJ5-KBJ6 : 20 October 2016), Edna Sims in entry for William Mcgriff, 18 Dec 1957; citing Louisville, Jefferson, Kentucky, Office of Vital Statistics, Frankfort; FHL #1,709,312.
Rampersand, Arnold. Jackie Robinson: A Biography. New York, New York: Ballantine, 1997. p. 25.