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- [S1182] Isberg, Larry A., "Jennie Davis - email 01." E-mail message from Larry A. Isberg at Rochester NH to Ball, David G.. 2 October 2010.
- [S1183] Belter, Barbara, "Mawhiney pictures - email 02." E-mail message from Barbara C. Belter to Ball, David G.. 15 October 2010.
- [S1186] Fisk, Peter, "Lawrence Fisk - email 01." E-mail message from Peter Fisk to Ball, David G.. 18 October 2010.
- [S1193] Ball, Eleanor, "Luther Ball - email 01." E-mail message from Eleanor Ball to Ball, David G.. 11 September 2010.
- [S1278] 1905 (June 1) Minnesota State Census. Indexed and made available on-line at Ancestry.com, accessed through www.ancestry.com.
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- [S1896] Stewart, Tim, "My Link to Deborah Ball - email 01." E-mail message from Tim Stewart to Ball, David G.. 15 November 2012.
- [S1898] 1895 (June 1) State Census, New Jersey (Filmed). Indexed and made available on-line at Ancestry.com, accessed through www.ancestry.com.
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- [S2357] Ball, Jack. Online http://trees.ancestry.ca/tree/34172720/person/18621307385?ssrc=. Text downloaded 16 July 2014.
- [S2362] The Star Herald, Scottsbluff, Scotts Bluff Co., NE, 5 May 2011.
- [S2364] Schaefer, L.. Online http://trees.ancestry.ca/tree/42948238/person/19860837261, Schaefer, L.. Unknown location. Text downloaded 24 July 2014.
- [S2365] Iowa Marriage Records 1923-1937. Made available by The Generations Network Inc. (Provo, Utah) on-line at www.ancestry.com, 2014; database from the Iowa State Archives.
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- [S2626] Oklahoma County Marriages 1890-1995. Made available by FamilySearch.org (Salt Lake City, Utah) on-line at http://familysearch.org, 2015; database courtesy of The Church of Jesus Christ of Latter-Day Saints.
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- [S2807] Maxwell, Barbara, "Murdock - email 01." E-mail message from Barbara Maxwell to Ball, David G.. 11 February 2016.
- [S3198] Erwin, Greta, "Obituary for Rhoda Cole, widow of Benjamin E. Ball." E-mail message from Greta Erwin to Ball, David G.. 26 July 2017.
- [S3328] MacLachlan, Andrew, "Sidney Haskell Ball - email 01." E-mail message from Andrew MacLachlan to Ball, David G.. 8 April 2018.
- [S3442] Ball, John, "Albert Ransome Ball - email 01." E-mail message from John Ball to Ball, David G.. 16 Mar 2019.
- [S3496] Keelty, Peter. "Peter P. Keelty Family Tree." Database made available on-line courtesy of Keelty, Peter, https://www.ancestry.ca/family-tree/person/tree/158761614/person/182078301864/facts?ssrc=. Database viewed 13 Jul 2019.
- [S3498] Hutchinson, Carol, "Francis Ball 8 generations." E-mail message from Carol Hutchinson to unknown recipient. 4 Jul 2019.
- [S3504] "chotchki2000". "Evans Family Tree." Database made available on-line courtesy of "chotchki2000", https://www.ancestry.ca/family-tree/person/tree/50501624/person/13402590273/facts?ssrc=. Database viewed 9 Jul 2019.
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- [S3511] Ross, Joseph. "Ross Family Tree." Database made available on-line courtesy of Ross, Joseph, https://www.ancestry.ca/family-tree/person/tree/42825710/person/28099967315/facts?ssrc=. Database viewed 13 Jul 2019.
- [S3512] Hornbach, Katherine. "Hornbach Family Tree v2." Database made available on-line courtesy of Hornbach, Katherine, https://www.ancestry.ca/family-tree/person/tree/116732332/person/400164310650/facts?ssrc=. Database viewed 13 Jul 2019.
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- [S3942] Beckett, Brad, "Ball Project." E-mail message from Brad Beckett to Ball, David G.. 14 Jul 2020.
- [S4024] Hamilton, James, "New England Ball Project update." E-mail message from James Hamilton to Ball, David G.. 27 Oct 2016.
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- [S4062] Erwin, Greta, "Charles H. Ball obituary." E-mail message from Greta Erwin to Ball, David G.. 26 Nov 2020.
- [S4181] Ball, John, "Family Portraits." E-mail message from John Ball at Bathurst, NB to Ball, David G.. 8 Mar 2022.
- [S4208] Massachusetts State Vital Records 1841-1920. Made available by FamilySearch.org (Salt Lake City, Utah) on-line at http://familysearch.org, September 2021; database courtesy of The Church of Jesus Christ of Latter-Day Saints.