- Harley Martin Kilgore (1893-1956), Senator, Papers and Artifacts, 1940/19561
- Harley Martin Kilgore (1893-1956), Senator, Papers, 1890/19561
- Harley Martin Kilgore (1893-1956), Senator, Papers, 1927/19561
- Harley Martin Kilgore (1893-1956), Senator, Papers, 1930/19501
- Harley Martin Kilgore (1893-1956), Senator, Papers, 1933/19561
- Harley Martin Kilgore (1893-1956), Senator, Papers, 1937/19561
- Harley Martin Kilgore (1893-1956), Senator, Radio Broadcast Script, 19521
- Harrison County Court Records, 1784/19031
- Harry C. Woodyard (1867-1929) Papers, 1910/19291
- Harvey W. Harmer (1865-1961) Papers, 1842/19611
- Haymond-Fleming Law Firm Papers, 1760/19361
- Helen Holt Papers regarding Federal Housing Administration and Other Material, 1927/2013, bulk 1960/19631
- Helen Holt Papers, 1912/20151
- Henri Jean Mugler Diary and Memoir, 1838/18991
- Henry Dans Ward Diary, 1843/18621