- [S84] Lillian (McKee) Bullock, San Marcos, Texas, to Clara (Bartlett) Vandegrift, letter, , re family genealogy; Vandegrift Family Archive; privately held by Vandegrift, Seattle, Washington.
- [S149] Doyes Blair (Texarcana, Texas), interview by Claree Vandegrift, 28 March 1988; field notes privately held by Eric Vandegrift, Seattle, Washington, 1988.
- [S346] Unnamed church (Galesburg, Kansas), Baptismal Certificates (privately held by Eric Vandegrift, Seattle, Washington, 2009) Miss Marian King (1917), issue date unknown, signed by M.R.Gill, pastor with no other citation.
- [S347] Dickinson County, Iowa, "Birth Records," Dickinson County Courthouse, Spirit Lake, Iowa.
- [S372] The Collinsville News (Collinsville, Oklahoma).
- [S430] 1900 U.S. census, Marshall County, Kansas; digital image, Ancestry.com (http://ancestry.com; citing National Archives and Records Administration microfilm T623.
- [S441] Zella Vandegrift (Bartlesville, Oklahoma) to "Dear Claree" [Clara A. Vandegrift], letter, ca. 1953; privately held by Clara A. Vandegrift, Langley, Washington, 1953.
- [S443] Richard Himmel (Denton, Texas) to "Dear Ms. Vandegrift" [Clara A. Vandegrift], letter, 20 Jun 1996; privately held by Clara A. Vandegrift, Langley, Washington, 1996. Attachments include Literature Club Roll of Members, Yucca Yearbook 1911 Junior class photo, Yucca staff photo, limerick by EJ Blair, list of teaching certificate recipients 1911 and EJ Blair credentials Junior class 1910-1911.
- [S450] Clara A. Vandegrift, step-daughter of target person, Marion B. (King) Bartlett, (Langley, Washington), interview by Eric Vandegrift, Dec 1992; field notes privately held by interviewer, Seattle, Washington, 1992.
- [S486] 1910 U.S. census, Grundy County, Missouri; digital image, Ancestry.com (http://ancestry.com; citing National Archives and Records Administration microfilm T624.
- [S488] 1920 U.S. census, Grundy County, Missouri; digital image, Ancestry.com (http://ancestry.com; citing National Archives and Records Administration microfilm T625.
- [S528] 1910 U.S. census, Shelby County, Tennessee; digital image, Ancestry.com (http://ancestry.com; citing National Archives and Records Administration microfilm T624.
- [S529] 1920 U.S. census, Shelby County, Tennessee; digital image, Ancestry.com (http://ancestry.com; citing National Archives and Records Administration microfilm T625.
- [S531] 1930 U.S. census, Shelby County, Tennessee; digital image, Ancestry.com (http://ancestry.com; citing National Archives and Records Administration microfilm T626.
- [S540] 1910 U.S. census, Fannin County, Texas; digital image, Ancestry.com (http://ancestry.com; citing National Archives and Records Administration microfilm T624.
- [S541] 1920 U.S. census, Fannin County, Texas; digital image, Ancestry.com (http://ancestry.com; citing National Archives and Records Administration microfilm T625.
- [S576] 1910 U.S. census, Spokane County, Washington; digital image, Ancestry.com (http://ancestry.com; citing National Archives and Records Administration microfilm T624.
- [S577] 1920 U.S. census, Spokane County, Washington; digital image, Ancestry.com (http://ancestry.com; citing National Archives and Records Administration microfilm T625.
- [S610] Abilene Daily Reporter (Abilene, Texas).
- [S636] GSU, "Ridgelawn Cemetery Records, Collinsville, Tulsa County, Oklahoma," (typescript, 1960, Family History Library, Salt Lake City, Utah); FHL microfilm 874008, item 1.
- [S687] Mary Beth (Downey) Higuera (Denver, Colorado) to "Dear Pete & Clair" [Peter & Claree Vandegrift], letter, 4 December 1989; privately held by Eric K. Vandegrift, Seattle, Washington, 2011. Mary is Peter's first cousin through her father and his mother.
- [S771] Pat Asher, webmaster, "INGenWeb, Switzerland Co., Biographies & Descendant Reports," reprints, INGenWeb Project (http://ingenweb.org/inswitzer/bios/index.html : accessed unknown cd2); citing History of Switzerland County, Indiana 1885.
- [S814] Rachel (Downey) Bumgarner (Oakland, California) to "Dear Pete & Claree" [Peter & Clara A. Vandegrift], letter, 27 July1993; privately held by Eric K. Vandegrift, Seattle, Washington, 2012. Bumgarner & Vandegrift were first cousins. Letter includes a family group sheet filled out by Bumgarner.
- [S1016] Oftenlostoldwoman, "Annette Bartlett Scott, b 1863 d 1941, bur Spokane WA," Ancestry Message Boards, Surnames, Bartlett, message board, 19 Jul 2009 (http://boards.ancestry.com/surnames.bartlett/3298/mb.ashx).
- [S1018] 1900 U.S. census, Franklin County, Ohio; digital image, Ancestry.com (http://ancestry.com; citing National Archives and Records Administration microfilm T623.
- [S1019] 1910 U.S. census, Franklin County, Ohio; digital image, Ancestry.com (http://ancestry.com; citing National Archives and Records Administration microfilm T624.
- [S1020] 1920 U.S. census, Franklin County, Ohio; digital image, Ancestry.com (http://ancestry.com; citing National Archives and Records Administration microfilm T625.
- [S1023] 1940 U.S. census, Dallas County, Texas; digital image, Ancestry.com (http://ancestry.com; citing National Archives and Records Administration microfilm T627.
- [S1031] 1880 U.S. census, Bartholomew County, Indiana; digital image, Ancestry.com (http://ancestry.com; citing National Archives and Records Administration microfilm T9.
- [S1050] 1830 U.S. census, Franklin County, Ohio; digital image, Ancestry.com (http://ancestry.com; citing National Archives and Records Administration microfilm M19.
- [S1519] "Texas Marriages, 1837-1973," database, FamilySearch (https://www.familysearch.org|| ||/search/collection/1681052).
- [S2049] 1900 U.S. census, Berkshire County, Massachusetts; digital image, Ancestry.com (http://ancestry.com; citing National Archives and Records Administration microfilm T623.
- [S2151] "Texas Birth Certificates, 1903-1935," Index & images, FamilySearch (https://www.familysearch.org/search/collection/1803956).
- [S2716] Ancestry.com. U.S., World War II Draft Registration Cards, 1942 [database on-line]. Provo, UT, USA: Ancestry.com Operations Inc, 2010. (https://www.ancestry.com/search/collections/1002/).
- [S2796] "Lodi News-Sentinel Obituaries, "database and transcriptions, Legacy.com (https://www.legacy.com/obituaries/lodinews/); the obituary engine of the National Obituary Registry.
- [S2797] California Department of Public Health Vital Records, death certificate; California Department of Public Health Vital Records, Sacramento.
- [S2798] Micky Carlos Bumgarner to Superior Court of California County of Contra Costa, name change, 15 August 1994; certified copy, Vandegrift Family Artifacts; privately held by Eric Vandegrift, Seattle, WA, 2020.
- [S2828] Ervie Joe Blair, Class of 1910-1911, credentials; Texas State Normal, Denton, Texas; original provided ca. 1990 by her daughter, Clara Bartlett Vandegrift; privately held by Vandegrift Family Archive, Seattle, Washington, 2022.
- [S3155] Ancestry.com. Texas, U.S., Birth Certificates, 1903-1932 [database on-line]. Provo, UT, USA: Ancestry.com Operations Inc, 2013. (https://www.ancestry.com/search/collections/2275/).
- [S3168] The Erie Record (Erie, Kansas); digital image, Newspapers.com (https://www.newspapers.com/).
- [S3169] "Iowa Births and Christenings, 1830-1950," database, FamilySearch (https://www.familysearch.org/search/collection/1674820).
- [S3170] Chanute Weekly Tribune (Chanute, Kansas); digital image, Newspapers.com (https://www.newspapers.com/).
- [S3171] The Liberal News (Liberal, Kansas); digital image, Newspapers.com (https://www.newspapers.com/).
- [S3172] The Kismet Klipper (Kismet, Kansas); digital image, Newspapers.com (https://www.newspapers.com/).
- [S3363] Erie (Kansas) High School Diploma and Certificate of Recommendation From Accredited School of Marion Locke, in Vandegrift Family Archive, 19 May 1921; privately held by Eric Vandegrift, Seattle, Washington, 2022. Copies provided by her adopted daughter Clara Bartlett Vandegrift.
- [S3385] King, Marian Bertha; Delayed Birth Registration, Dickinson County District Court, Spirit Lake, Iowa, Book no. 2, p. 208, in Vandegrift Family Archive, 01 Mar 1943; privately held by Eric Vandegrift, Seattle, Washington, 2022.
- [S3569] 1950 U.S. census, Dallas County, Texas; digital image, Ancestry.com (http://ancestry.com; citing National Archives at Washington, D.C., NAID 43290879.
- [S3582] Abilene Reporter-News (Abilene, Texas); digital image, Newspapers.com (https://www.newspapers.com/).
- [S3867] The Commercial Appeal (Memphis, Tennessee); digital image, Newspapers.com (https://www.newspapers.com/).
- [S3942] The Collinsville Star (Collinsville, Oklahoma); digital image, Newspapers.com (https://www.newspapers.com/).