- [S22] 1880 federal census of Geauga County, Ohio. Online census image. Used at www.ancestry.com.
- [S282] Letter from Clarence E. Barter (Lawrenceville, Illinois) to Dan W. Olds, Dec. 1968; personal files of Dan W. Olds (Spartanburg, South Carolina).
- [S283] Minnie Barter, Olney Daily Mail, Olney, Illinois, 13 Nov 1967.
- [S324] Letter from Henrietta Carey (Mt. Carmel, Ill.) to Dan W. Olds, 4 Aug 1969; personal files of Dan W. Olds (Spartanburg, South Carolina).
- [S992] Laura Helen (Wells) Bartoshek, information provided for the Peter Bowers book of 1979.
- [S1422] Jane Evans Best, The Groff Book Volume 2: A Continuing Saga (Ronks, Pennsylvania: Groff History Associates, 1997).
- [S1519] Bela E. Gowen, Genealogy of the Olds Family (n.p.: n.pub., 1952).
- [S1635] Family Search, 1880 United States Census and National Index., CD-ROM (Salt Lake City, Utah: The Church of Jesus Christ of Latter-Day Saints, 2001).
- [S1680] 1850 federal census of Franklin County, Vermont. Microfilm image online. Used at www.ancestry.com.
- [S1718] Geauga County Ohio, Marriage Records, Brides Index, Surname N-O, online http://files.usgwarchives.org/oh/geauga/marriages/brides/no.txt
- [S1737] Levi Bartlett, Genealogical and Biographical Sketches of the Bartlett Family of England and America (Lawrence: Geo. S. Merrill & Crocker, Printers, 1875).
- [S1741] 1850 federal census of Berkshire County, Massachusetts. Microfilm image online. Used at www.ancestry.com.
- [S1972] 1850 federal census of Worcester County, Massachusetts. Microfilm image online. Used at www.ancestry.com.
- [S2014] Letter from James L. Barkman (Peoria, Illinois) to Sarah S. Mathews, 27 Feb 1891; personal files of Dan W. Olds (Spartanburg, South Carolina).
- [S2232] 1920 federal census of Spartanburg County, SC. Microfilm image online. Used at www.ancestry.com.
- [S2470] 1930 federal census of Ramsey County, Minnesota. Microfilm image online. Used at www.ancestry.com.
- [S2534] Minnesota Birth Certificates Index, online http://people.mnhs.org/bci/Results.cfm
- [S2685] Jeniese Olds Swatek, "Olds Connection," e-mail message from (e-mail address with held) (of unknown address) to Dan W. Olds, 27 June 2010.
- [S2708] 1850 federal census of Branch County, Michigan. Microfilm image online. Used at www.ancestry.com.
- [S2714] 1880 federal census of Portage County, Wisconsin. Microfilm image online. Used at www.ancestry.com.
- [S2715] Wisconsin Historical Society Genealogy Index, online http://www.wisconsinhistory.org/vitalrecords/index.asp
- [S2805] Albert L. Olds, "Supplement to The Olds (Old, Ould) Family in England and America by Edson B. Olds" (typed list of additions and corrections keyed to original page numbers, Detroit, Michigan, n. d.). Hereinafter cited as "Supplement to The Olds (Old, Ould) Family in England and America by Edson B. Olds."
- [S2806] 1900 federal census of Peoria County, Illinois. Microfilm image online. Used at www.ancestry.com.
- [S2807] Los Angeles, California City Directories, 1888-90 [database on-line]. (Provo, Utah: The Generations Network, Inc., 200, 1888-1890). Hereinafter cited as Los Angeles, California City Directories, 1888-90 [database on-line].
- [S2831] C. B. Reynolds, "Obituary [Aaron Knight Olds]", The Free Thought Magazine Vol. 14 (1896).
- [S2913] Wisconsin Marriages, 1836-1930, database, FamilySearch (http://familysearch.org/), online https://beta.familysearch.org
- [S2986] Ellery Bicknell Crane, Historic Homes and Institutions and Genealogical Notes and Personal Memoirs of Worcester County Massachusetts with a History of Worcester Society of Antiquity, Vol. IV (New York: The Lewis Publishing Company, 1907).
- [S3583] 1920 federal census, Kern County, California. Microfilm image online.
- [S3584] 1930 federal census, Kern County, California. Microfilm image online. Used at www.ancestry.com.
- [S3848] DIED [James S. Barkman], Baltimore Sun, Baltimore, Maryland, 13 Oct 1909, p. 4.
- [S3849] DIED [Mrs. Lucy Olds], Connecticut Courant, Hartford, Connecticut, 23 Sep 1807, p. 3.
- [S3878] Jan Doan (ed), "Obituaries from Scrapbook of Levi Tennyson 1939", Foot Prints Past and Present Vol. 35, No. 3/4 (Fall and Winter 2012).
- [S3881] Thomas Spooner, Records of William Spooner of Plymouth, Mass., and his Descendants, Vol. I (Cincinnati, Ohio: Press of F. W. Freeman, 1883).
- [S4232] Aaron Olds obit; Timothy Olds Probate, online http://genforum.genealogy.com/cgi-bin/pageload.cgi?Aaron::olds::437.html
- [S4315] Henry E. Woods, editor, Vital Records of Pelham, Massachusetts, to the Year 1850 (Boston, Massachusetts: New England Historical Society, 1902).
- [S4316] Aldis Everard Hibner, A Genealogy of the Descendants of Joseph Bartlett of Newton, Mass., for Seven Generations (n.p.: The Tuttle Company, 1924).
- [S4404] Senate of Illinois, Journal of the Senate of the Twenty-third General Assembly of the State of Illinois at their Regular Session begun and held at Springfield, January 5, 1863 (Springfield, Illinois: Baker and Phillips, printers, 1865).
- [S4433] 1930 federal census, Honolulu County, Hawaii.
- [S4584] Indiana Marriages, 1811-2007, database with images, FamilySearch, online https://familysearch.org
- [S4837] Obituaries: Dorothy Burgess, The Spartanburg-Herald, Spartanburg, South Carolina, 18 Oct 1993, page B2.
- [S4842] Oscar R. Barnett, Death Certificate 59-016728, www.ancestry.com, Provo, Utah.
- [S4845] William Barnett [obit], Spartanburg Herald, Spartanburg, South Carolina, 20 Mar 1955, page D5.
- [S4847] Obituaries. Randall Barnett, Spartanburg Herald, Spartanburg, South Carolina, 25 July 1930, page 8.
- [S5069] South Carolina Standard Certificate of Death, Dr. Fletcher Barnett, online https://www.familysearch.org/ark:/61903/3:1:S3HT-DR7Q-JHF?i=76&cc=1417492
- [S5070] Deaths and Funerals: Mrs. Allie B. Bishop, State, The, Columbia, South Carolina, 14 Nov 1990, page 4B.
- [S5072] South Carolina Certificate of Death, Miss Eloise Barnett, online https://www.ancestry.com
- [S5574] The J. F. Floyd Mortuary, online https:/www.floydmortuary.com/obituary/.
- [S5631] Spartanburg County Death/Obituary Notice Index, online http://www.infodepot.org/using-the-library/kennedy-room/KRobits#Search_Results
- [S5644] https://www.floydmortuary.com/obituaries/Marjorie-Seay/, online https://www.floydmortuary.com/obituaries/Marjorie-Seay/
- [S5822] Interview with Barbara (Foster) Crocker ((address withheld)), by Dan W. Olds, 24 Dec 2023.