- [S499] London and Surrey, England, Marriage Bonds and Allegations, 1597-1921, Ancestry.come.
- [S506] London, England, Electoral Registers, 1832-1965, Ancestry.com.
- [S6718] Royal Museums Greenwich.
- [S6726] Transcribed by NDS, Index of Mariages from the GRO Register.
- [S6743] New York Passenger Arrival Lists (Ellis Island), 1892-1924, FamilySearch.org.
- [S6746] New York, New York, Extracted Marriage Index, 1866-1937, Ancestry.com.
- [S6767] Australia, WWI Service Records, 1914-1920, Ancestry.com.
- [S6780] UK, Poll Books and Electoral Registers, 1538-1893, Ancestry.com.
- [S6781] UK, City and County Directories, 1766-1946, Ancestry.com.
- [S6783] Ontario, Canada, Toronto Trust Cemeteries, 1826-1989, Ancestry.com.
- [S6785] Wales Births and Baptisms, 1541-1907, FamilySearch.org.
- [S6811] US Naturalization Records, 1840-1957, Ancestry.com.
- [S6812] 1920 US Census of Salem County, New Jersey.
- [S6860] New York State, Death Index, 1957-1968, Ancestry.com.
- [S6876] U.S. Veterans' Gravesites, ca.1775-2006, Ancestry.com,.
- [S6878] New York, New York, Marriage License Indexes, 1907-2018, Ancestry.com.
- [S6880] New York, Naturalization Records, 1882-1944, Ancestry.com.
- [S6881] New York, New York, Extracted Death Index, 1862-1948, Ancestry.com.
- [S6883] Essex, England, Church of England Births and Baptisms, 1813-1918, Ancestry.com.
- [S6885] England & Wales, Quaker Birth, Marriage, and Death Registers, 1578-1837, Ancestry.com,.
- [S6886] U.S. & UK, Quaker Published Memorials, 1818-1919, Ancestry.com,.
- [S6894] New South Wales, Australia, St Peters Cooks River Select Births, Marriages and Burials, 1839-1963, Ancestry.com.
- [S6900] 1910 US Census of Washita County, Oklahoma.
- [S6907] 1920 US Census of Caddo County, Oklahoma.
- [S6908] 1910 US Census, Grady County, Oklahoma.
- [S6924] 1870 US Census of Jack County, Texas.
- [S6925] 1900 US Census of Wise County, Texas.
- [S6926] Death Certificate certified copy in possession of James L Slade.
- [S6929] 1900 US Census of Young Co, Texas, p276A, fam 83.
- [S6956] 1880 US Census of Wise County, Texas.
- [S6998] 1900 US Census of Washita County, Oklahoma (then Indian Territory).
- [S7038] Wise County Marriage Certificate, James L. Slade has original.
- [S7078] Geraldine Selma Martin Howard in letters and oral interview to James L Slade 1978.
- [S7143] Obituary of Bessie Leatha Slade, (Tuttle, Oklahoma: local newspaper, February 1920).
- [S7162] Polk's City Directory of Oklahoma City,.
- [S7191] 1930 US Census of Georgia.
- [S7211] 1920 US Census of Macon County, Georgia.
- [S7212] Harrison-Slade Bible and Lifsey-Slade Bible. In 1983 both bibles were in possession of Martha Frances Slade McKenzie. Since 2000 the bible has been held by John T. Slade of McDonough, GA. Only 3 family pages survive the Harrison-Slade Bible and they are inserted in the Lifsey-Slade Bible.
- [S7226] 1880 US Census of Young County, Texas.
- [S7268] Deed Records of Young County, Texas.
- [S7500] Estimated from birth of first child.
- [S8084] UK, Railway Employment Records, 1833-1956, Ancestry.com.
- [S8103] The British Medical Journal,.
- [S8106] National Library of Australia https://www.nla.gov.au/
- [S8376] England and Wales, Death Index, 1989-2019, Ancestry.com.
- [S8857] Personal knowldege of Rebecca Slade Teague, unknown publish date.
- [S8905] 1870 United States Federal Census.
- [S8965] William Slade, A Few Particulars of the Name Slade Hastings, Sussex, England: Surfield & Pennells, 1932).
- [S9025] UK and Ireland, Newspapers.com™ Obituary Index, 1800s-current,.
- [S9046] Research of Hugh Casement, unknown publish date.