- [S930] 1800 federal census of Hampshire County, Massachusetts. Microfilm image online. Used at www.ancestry.com.
- [S1649] David Olds, Microfilm probate records of Northampton, Mass. Vol. 28, pp. 43, 44, 55, 185, 267 (Probate), Boston Public Library, Boston, Massachusetts.
- [S1726] 1840 census, Renneslear County, New York. Online census image. Used at www.ancestry.com.
- [S1771] 1860 federal census of Fond du Lac County, Wisconsin. Microfilm image online. Used at www.ancestry.com.
- [S1775] 1860 federal census of Green County, Wisconsin. Microfilm image online. Used at www.ancestry.com.
- [S1827] The Adjutant General, compiler, Massachusetts Soldiers, Sailors and Marines in the Civil War (Norwood, Massachusetts: The Adjutant General, 1931).
- [S1850] Fulton County Indiana Newspaper Excerpts, 1874, online http://www.fulco.lib.in.us/Tombaugh/Newspaper%20Excerpts/Html/Newspapers%201874.htm
- [S1910] 1850 federal census of Cayuga County, New York. Microfilm image online. Used at www.ancestry.com.
- [S1968] Lucien Marcus Underwood (comp.) and Howard J. Banker (editor), The Underwood Families of America (Lancaster, Pa.: The New Era Printing Company, 1912).
- [S2687] 1910 federal census of Portage County, Wisconsin. Microfilm image online. Used at www.ancestry.com.
- [S2721] U.S. General Land Office Records, 1796-1907 [database on-line]. Provo, UT, USA: Ancestry.com Operations Inc, 2008., online www.ancestry.com.
- [S2722] 1850 federal census of Oakland County, Michigan. Microfilm image online. Used at www.ancestry.com.
- [S2727] Michigan Marriages to 1850 [database on-line]. Provo, UT, USA: Ancestry.com Operations Inc, 1997. Original data: Dodd, Jordan R, et. al.. Early American Marriages: Michigan to 1850. Bountiful, UT, USA: Precision Indexing Publishers, 19xx., online www.ancestry.com.
- [S2742] Michigan Dep. of Community Health, Genealogical Death Indexing System, online http://www.mdch.state.mi.us/pha/osr/gendisx/search.htm
- [S2785] Marin County [Death Records] Source: Family History Library Film # 1295785-Original records at County Courthouse, online http://www.rootsweb.ancestry.com/~cabf1905/Marin/
- [S2786] Carolyn Schwab, Newspaper Extracts from the Marin Journal, Marin County Tocsin, Sausalito News, San Rafael, Marin County, California, January 3, 1895 to December 31, 1896 (Westminster, Maryland: Heritage Books, 2008).
- [S2789] 1850 federal census of Berrien County, Michigan. Microfilm image online. Used at www.ancestry.com.
- [S2802] The Maritime Project -- Captain James H. Blethen, online http://www.maritimeheritage.org/captains/blethenJH.html
- [S2812] 1852 state census of California. Microfilm image online.Www.ancestry.com.
- [S2909] 1850 federal census of Elbert County, Georgia. Microfilm image online. Used at www.ancestry.com.
- [S2932] 1870 federal census of Bureau County, Illinois. Microfilm image online. Used at www.ancestry.com.
- [S3207] 1855 state census of Illinois. Microfilm image online.Www.ancestry.com.
- [S3358] Society [Olds - Rucker engagement], Oregonian, Portland, Oregon, 18 Feb 1917, Page 43, online http://www.genealogybank.com
- [S3359] 1900 federal census of Pacific County, Washington. Microfilm image online. Used at www.ancestry.com.
- [S3720] DIED. [Mr. Daniel Olds], Massachusetts Spy, Worcester, Massachusetts, 23 April 1806, p. 3.
- [S3755] Justin Olds entry, 1798 Massachusetts and Maine Direct Tax, Belchertown, Massachusetts. Www.americanancestors.org, Boston, Massachusetts.
- [S3784] Vermont, Vital Records, 1760-1954, index and images, FamilySearch (https://familysearch.org/pal:/MM9.1.1/XFK7-RZG :, www.familysearch.org, unknown repository address.
- [S3856] Letter from June Olds (Brookfield, Wisconsin) to Robert and Doris Olds, Dec 1977; personal files of Dan W. Olds (Spartanburg, South Carolina).
- [S3862] Letter from June Olds (Rogers, Arkansas) to Doris R. Olds, Dec 2000; personal files of Dan W. Olds (Spartanburg, South Carolina).
- [S3863] Letter from June Olds (Arkansas) to Robert and Doris Olds, Dec 1980; personal files of Dan W. Olds (Spartanburg, South Carolina).
- [S3864] Homeopathy: Some Notes and Observations October 1981- April 1982, online http://www.julianwinston.com/archives/articles/winston_some_notes.php
- [S3895] Letter from June Olds (Rogers, Arkansas) to Robert and Doris Olds, Dec 1986; personal files of Dan W. Olds (Spartanburg, South Carolina).
- [S3903] Kelly Lord Kuzins and Ancestors family tree on Ancestry.com, online http://trees.ancestry.com/tree/18575534/person/680344404?ssrc=
- [S3959] 1860 federal census of Bureau County, Illinois. Microfilm image. Used at www.ancestry.com.
- [S3992] 1860 federal census of Tioga County, New York. Microfilm image online. Used at www.ancestry.com.
- [S4056] 1870 federal census of Greene County, Illinois. Microfilm image online. Used at www.ancestry.com.
- [S4057] 1850 federal census of Warren Co., Indiana. Microfilm image online. Used at www.ancestry.com.
- [S4064] Resident of Oregon City Since 1890 Dies at age of 89 Years. [David Olds obit], Oregonian, Portland, Oregon, 25 March 1913, p. 6.
- [S4141] Peter Eugene Olds [obit], Kansas City Star, The, Kansas City, Missouri, 23 Sep 1999, p. B4.
- [S4465] Cynthia Jean Olds + Samuel Jackson Lanahan, Wedding Announcement, 31 Aug 1977. Library and papers of Doris R. Olds, Spartanburg, Spartanburg County, South Carolina.
- [S4571] 1865 state census of Illinois. Microfilm image online.Www.ancestry.com.
- [S4939] Letter from Roger B. Olds (Hodgkins, Illinois) to Dan W. Olds, 13 June 2017; copy in my files (Spartanburg, South Carolina).
- [S5040] New York State, Passenger and Crew Lists, 1917-1966, online https://search.ancestry.com/search/db.aspx?dbid=1277
- [S5061] Ohio Death Index, 1908-1932, 1938-1944, and 1958-2007, online https://www.familysearch.org
- [S5270] Obituary [Daniel S. Olds], Sun and New York Press, New York, New York, 21 Aug 1898, p. 11.
- [S5271] Engineer Olds Ran By the Signals, Sun and New York Press, New York, New York, 11 Aug 1898, p. 10.
- [S5564] Barbara Ann Olds, "WikiTree [James Ould]," e-mail message from (email address withheld) (of unknown address) to Dan W. Olds, 29 July 2021.
- [S5567] [wedding of David Olds and Susie Shortley], Fergus County Democrat, Lewistown, Montana, 10 Aug 1909, p. 6.
- [S5571] Orofino News Note . . . David C. Olds, Lewiston Morning Tribune, Lewiston, Idaho, 18 Jan 1940, p. 7.
- [S5577] Montana, U.S., County Marriages, 1865-1987, online ancestry.com.