- [S422] Texas Marriage Index 1837-1977 FamilySearch.org.
- [S659] Email correspondence with Eugene Butch Slade.
- [S662] 1920 US Census of Tazewell County, Virginia.
- [S663] 1930 US Census of Tazewell County, Virginia.
- [S667] 1920 US Census of Pulaski County, Virginia.
- [S668] 1930 US Census of Lake County, Indiana.
- [S670] 1880 US Census of Bland County, Virginia.
- [S671] Samuel Walker Slade obit,.
- [S672] Zabasearch https://www.zabasearch.com/people/
- [S673] John Austin Slade.
- [S675] 1880 US Census of Norfolk County, Virginia.
- [S681] 1920 US Census of Sussex County, Virginia.
- [S682] 1910 US Census of Sussex County, Virginia in.
- [S684] 1900 US Census of Sussex County, Virginia.
- [S697] Then along came Joe : a Walker family history beginning with George Walker, Sr., of Botetourt County, Virginia.
- [S699] Clinch Valley News, Tazewell, Virginia,.
- [S703] 1880 US Census of Boone County, Missouri.
- [S704] 1900 US Census of Boone County, Missouri.
- [S798] Constance Murray Chappell Horne, Richmond, Virginia.
- [S804] Gerald R. Cox.
- [S860] 1930 US Census of Wayne County, Michigan.
- [S1136] Ancestry.com,.
- [S1202] Texas Birth Index, 1904-1997, Ancestry.com.
- [S1268] 1930 US Census of Mercer County, West Virginia.
- [S1287] West Virginia Deaths, 1853-1970 via FamilySearch.org.
- [S1319] Biography of Mary Darke Kain Slade Dennis of Clinton County, Ilinois.
- [S1462] Steve Slade personal knowledge.
- [S1470] 1910 US Census of Boone County, Missouri.
- [S1735] 1900 US Census of Otsego County, New York.
- [S1736] 1910 US Census of Otsego County, New York.
- [S1737] 1920 US Census of Otsego County, New York.
- [S1753] 1920 US Census of New York County, New Yorki.
- [S1786] 1940 US Census of Tazewell County, Virginia.
- [S1940] 1940 United States Federal Census.
- [S1946] 1881 Canadia Census of Nova Scotia Province.
- [S1947] 1891 Canadia Census of Nova Scotia.
- [S1959] 1940 US Census of Monroe County, West Virginia.
- [S2065] US Naturalization Records Indexes, 1794-1995 on Ancestry.com.
- [S2097] 1880 US Census of Delaware County, New York.
- [S2339] Detroit Border Crossings and Passenger and Crew Lists, 1905-1963, unknown publish date.
- [S2655] North America, Family Histories, 1500-2000, Ancestry.com.
- [S2792] 1920 US Census of Tazewell County, Virginia.
- [S2997] New York State Voter Records.
- [S5060] 1940 US Census of Lake County, Indiana.
- [S5601] Kenneth L Slade research, analysis & personal knowledge.
- [S5811] North Carolina Estate Files, 1663-1979, images on FamilySearch.org.
- [S6531] 1930 US Census of Leavenworth County, Kansas.
- [S6595] North Carolina, Wills and Probate Records, 1665-1998, Ancestry.com.
- [S8813] 1910 US Census.
- [S8814] 1920 US Census.