- [S1155] Ohio Death Record.
- [S1160] Letter from William Elizabeth and Elsie Sine (Waverly, OH.) to Willa Hunter, 1916-1922.
- [S1311] WV Marriage Record. Ancestry.com.
- [S1338] 1920 Los Angeles Co, CA. Census.
- [S1397] 1910 Los Angeles Co, CA. Census.
- [S1525] TX Death Index.
- [S1786] 1890 Veterans Schedules.
- [S1815] Interview of Winnifred Cover by Howard Hickman 1975.
- [S1916] 1900 Riverside Co, CA. Census.
- [S1917] 1910 Riverside Co, CA. Census.
- [S1918] 1920 Riverside Co, CA. Census.
- [S1919] 1930 Riverside Co, CA. Census.
- [S1940] Homestead Claim and Patent.
- [S2013] Findagrave.com.
- [S2051] 1910 Knox Co, OH. Census.
- [S2052] 1920 Knox Co, OH. Census.
- [S2054] 1930 Knox Co, OH. Census.
- [S2243] Calhoun Co, MI. Marriage Record.
- [S2244] 1870 Calhoun Co, MI. Census.
- [S2246] 1900 Clatsop Co, OR. Census.
- [S2251] Military and Pension Records.
- [S2494] Letter from Cecile B. Jones (Youngsville, Lafayette Parish, LA.) to Abigail Flagg, 5 Dec 1897.
- [S2520] World Connect e-mail address.
- [S2527] Elmer Wallace Homes, History of Riverside County, California (Los Angeles, CA.: Historic Record Co, 1912).
- [S2599] Wheeling Register newspaper.
- [S2779] George Little, Genealogical and Family History of the State of Maine (New York: Lewis Historical Publishing Co, 1909).
- [S2877] Baton Rouge, LA. Census.
- [S2936] Seaside, OR. City Directory.
- [S2937] Phoenix City Directory.
- [S2968] Edwin Salter, History of Monmouth and Ocean Counties, NJ.
- [S2970] Harrsion Co, WV. Will Books.
- [S3068] 1920 Milwaukee, WI. Census.
- [S3069] 1930 Milwaukee, WI. Census.
- [S3070] Letter from Howard Lee Hickman (Eagle, WI.) to Howard D. Hickman.
- [S3490] William Debolt, e-mail message from e-mail address to Howard Hickman, March 2011.
- [S3509] Calhound County Probate File # 4170.
- [S3510] Calhoun County Probate File #4909.
- [S3636] 1940 Marion Co, WV. Census.
- [S3651] 1940 Riverside Co, CA. Census.
- [S3706] 1910 Ross Co, OH. Census.
- [S3712] 1940 Milwaukee, WI. Census.
- [S3713] 1940 Clatsop Co, OR. Census.
- [S3848] 1940 El Paso Co, TX. Census.
- [S3850] 1910 Maricopa Co, AZ. Census.
- [S4419] Marion Co, WV. Court Records.
- [S4490] 1870 Pike Co, OH. Census.
- [S4491] 1860 Meigs Co, OH. Census.
- [S4725] The Morning Astorian.
- [S4871] The West Virginian, Fairlmont WV.
- [S4951] Karen Hoffman, e-mail message from e-mail address to Howard Hickman III, May 2020.