- [S422] Texas Marriage Index 1837-1977 FamilySearch.org.
- [S667] 1920 US Census of Pulaski County, Virginia.
- [S668] 1930 US Census of Lake County, Indiana.
- [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.
- [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.
- [S858] 1920 US Census of Gogebic County, Michigan.
- [S859] 1930 US Census of Gogebic County, Michigan.
- [S1202] Texas Birth Index, 1904-1997, Ancestry.com.
- [S1268] 1930 US Census of Mercer County, West Virginia.
- [S1319] Biography of Mary Darke Kain Slade Dennis of Clinton County, Ilinois.
- [S1455] 1920 US Census of Floyd County, Kentucky.
- [S1456] 1930 US Census of Boyd County, Kentucky.
- [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.
- [S1752] 1940 US Census of New York County, New Yorki.
- [S1753] 1920 US Census of New York County, New Yorki.
- [S1959] 1940 US Census of Monroe County, West Virginia.
- [S1996] 1940 US Census of Gogebic County, Michigan.
- [S1997] Kentucky Death Index, 1911-2000 on Ancestry.com.
- [S2072] Michigan Death Certificates, 1921-1952, FamilySearch.
- [S2097] 1880 US Census of Delaware County, New York.
- [S2635] 1940 US Census of Floyd County, Kentucky.
- [S2655] North America, Family Histories, 1500-2000, Ancestry.com.
- [S2792] 1920 US Census of Tazewell County, Virginia.
- [S2906] 1930 US Census of Bronx County, New York.
- [S2997] New York State Voter Records.
- [S3023] 1940 US Census of Bexar County, Texas.
- [S3025] Massachusetts Births and Christenings, 1639-1915, FamilySearch.org.
- [S3027] Massachusetts, Town Clerk Vital Records, 1626-2001, FamilySearch.org.
- [S3159] 1930 US Census of New York County, New York.
- [S4753] 1900 US Census of Middlesex County, Massachusetts.
- [S4879] 1850 US Census of Bristol County, Massachusetts.
- [S5060] 1940 US Census of Lake County, Indiana.
- [S5355] New York State, Death Index, 1957-1968, Ancestry.com.
- [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.
- [S6651] Massachusetts, Marriage Index, 1901-1955 and 1966-1970, Ancestry.com.