Collection
- Hall Family Papers, 1810/20071
- Heinrich Uebernasser Notebook, 1846/18471
- Henkel Family Papers, 1783/18741
- Henry Carrington Alexander Notebook, 18541
- Hoban Law Digest, 1801/18351
- Holland Family Papers, 1795/18351
- Honoria O'Grady Autograph Album, 1830/18321
- Howard Chapin Papers, 1882/19401
- Howard Osburn notebook, 1870/18721
- Howard Scammon Papers, 1917/1994, bulk 1940/19701