- The Helonaki website
- The Helonaki Deep Dive Patreon Page. For as little as $2 per month, you can support the podcast.
- Covered Wagon Women, Volume 9 Bison Books
- U.S. Census records on FamilySearch.org (searchable by name and location)
- Stafford Co., VA 1810 Census Iberian Publishing
- Enoch Harding, 1820 U.S. Census, Stafford, VA FamilySearch
- Thomas Gatewood, 1830 U.S. Census, Stafford, VA FamilySearch
- Boone County Court Records (Thomas Gatewood case starting in Book D, p. 304)
- Fanny Gatewood, 1840 U.S. Census, Boone, MO FamilySearch
- Henry Gatewood card, U.S. Mexican War Index and Service Records FamilySearch
- Henry Gatewood marriage record, Missouri. Boone marriage records FamilySearch
- State v. Colman Reed, case in which Morgan Shackelford and Atwell Gatewood were witnesses Missouri Digital Heritage
- Atwell and Ann Gatewood marriage record FamilySearch
- Atwell Gatewood, 1850 U.S. Census, Missouri. Clark FamilySearch
- Denny 40 acres to Atwell Gatewood BLM GLO
- A.B. Gatewood biography in Land and People: A History of Bosque County, Texas Texas History
- 1850 Agricultural Census, Missouri. Boone (Rebecca Galloway and Fanny Gatewood, pp. 33-34; Morgan Shackelford, pp. 35-36)