- Harry Downing Temple, Jr., Papers1
- Harry Heflin Family Papers29
- Henry Doktorski, Compiler, Records regarding Kirtanananda Bhaktipada Swami and the New Vrindaban Commune13
- Henry Gassaway Davis (1823-1916) Papers42
- Henry Louis Gates, Jr., Professor, Galley Copies of Books175
- Henry Rauch, Geology Professor, West Virginia Surface Mine Board, Case Files45
- Herbert Deuel Civil War Collection1
- Hiram Carpenter, Records of a Pleasants County Businessman138
- Historic manuscript collection88
- Hugh Sayre, Collector, Papers3
- Institute for the History of Technology and Industrial Archaeology Records69
- Irene McKinney, Poet, Papers10
- J. Bolton McBryde Collection2
- J. Davitt McAteer Papers regarding Mining Safety110
- J.J. Rutledge Technical Writings on Coal Mining3