- Frances G. Hoppin papers, 1917/19181
- Frank Smith Reader diary and transcription, 1863/19641
- G. Glenwood Clark Papers, 1916/19671
- Galt Papers (V), 1900/19791
- Garber and Logan family papers, 1846/19491
- George L. Barton collection, 1909/19361
- George M. Neese papers, 1859/19461
- George W. Fetterman Diaries, 1890/19501
- Goodwin Family Papers, 1826/19591
- Gregory Family papers, 1829/1920, bulk 1880/19001
- Gregory Winters, Compiler, Papers of William Wayt Family of Marshall County, 1867/2009, bulk 1892/19561
- Hamilton Family Papers, 1892/2003, bulk 1930/20031
- Harlan H. Ballard, Jr. Papers, 1916/1946, bulk 1921/19461
- Harry Turner Lewis papers, 1901/1942, bulk 1924/19421
- Heatwole Family Papers, 1838/20011