- [S72] Bible Record.
- [S1027] 1930 Allegheny Co, PA. Census.
- [S1065] Salem Monitor, Salem, Dent Co, MO.
- [S1070] Death Notification.
- [S1071] Dent County Tax Records, Salem, MO., transcribed by unknown compiler.
- [S1077] Obituary, St. Louis Post Dispatch Newspaper, St. Louis, Mo.
- [S1078] Interview with Howard D. Hickman Jr (Santa Rosa, CA.), by Howard D. Hickman III, 2005.
- [S1079] Letter from Patricia Hickman (200 E. Melbourne Peoria, IL. 61603) to Howard Hickman III, 1990 to 2008.
- [S1080] 1920 Mt. Vernon, OH. Census.
- [S1116] 1910 Dent Co, MO. Census.
- [S1157] IL. Death Record.
- [S1158] Dent Co, Mo. Marriage Record.
- [S1279] 1920 Alameda Co, CA. Census.
- [S1296] Armandbizgroup.com.
- [S1301] Oakland Tribune, Oakland, CA.
- [S1366] PA Marriage Record.
- [S1443] 1910 Armstrong Co, PA. Census.
- [S1585] 1930 Armstrong Co, PA. Census.
- [S1772] Ohio Deaths, 1958-2007.
- [S1835] PA Death Record.
- [S1839] 1920 El Paso, TX. Census.
- [S1840] 1930 Peoria, IL. Census.
- [S1908] 1920 Armstrong Co, PA. Census.
- [S1922] U. S. passport application.
- [S2262] Newspaper Clippings, Archived at Univ. of IL, Springfield, MC44.
- [S2374] 1910 Ohio Co, WV. Census.
- [S2485] San Francisco Chronicle.
- [S2768] Columbus, OH. Directory.
- [S2901] John Heald's will.
- [S3015] Letter from Peggy Hickman (Kittanning, PA.) to Willa Hunter, 17 Dec 1955.
- [S3024] Passenger List: San Francisco to Hawaii Sept 1929.
- [S3082] Robert Birchard, e-mail message from e-mail address to Howard Hickman, Dec 2009.
- [S3577] OH Marriage Record.
- [S3656] 1940 San Francisco, CA. Census.
- [S3695] 1940 Peoria Co, IL. Census.
- [S3696] Franklin Co, OH. Census.
- [S3756] John W. Leonard, Who's Who In Engineering.
- [S3789] Akron, OH. Directory.
- [S4013] Peoria, IL. Directory.
- [S4066] Obituary of brother Jesse Hickman.
- [S4406] 1910 Wayne Co, MI. Census.
- [S4412] Edward F. Johnson, Genealogical Sketch of William Simonds.
- [S4467] The Los Angeles Times.
- [S4488] Orpheum Collection, Wichita State Archives.
- [S4505] Los Angeles Times.
- [S4653] Interview with Mike Hickman (Kittanning, PA.), by Howard Hickman III, October 2017.
- [S4764] San Fancisco Examiner.
- [S5213] 1950 Armstrong Co, PA. Census.
- [S5219] 1950 Milwaukee Co, WI. Census.
- [S5227] 1950 Franklin Co, OH. Census.