- Hazel Groves Hansrote, Compiler, Genealogical Records, Typed Document, 1700/19581
- Headquarters Papers of
Brigadier-General John Forbes Relating to the Expedition
against Fort Duquesne in 1758 1729-17591
- Helen A. Wesp, Compiler, Scott Family Genealogy, 1721/19411
- Helen Scott, Compiler, Genealogy Records, 1500/19911
- Henkel Family Papers
1791-18851
- Henry Rose Carter papers, 1775/19471
- Hickory Neck Church records, 1721/20242
- Hill Family Genealogy, 1700/1999, bulk 1980/199913
- Historic Map and Government Documents Collection, 1630/19782
- Historic Maps of Europe, 1572/18454
- Historic manuscript collection, 1601/19333
- Historic map collection, 1675/19711
- Historical Maps Collection, 1500/20233
- Hugh Jones Collection, 1716/19431
- International Association for Identification Records, 1842/2012, bulk 1910/19591