Subject
- Hammond, James Henry, 1807-1864 25
- Hampton Plantation State Park (S.C.) 335
- Handbooks, manuals, etc. 122
- Hickories 25
- Historic buildings95
- Historic buildings 579
- Historic buildings--Conservation and restoration 173
- Historic districts--Conservation and restoration 65
- Historic house museums--Furniture, equipment, etc131
- Historic preservation266
- Historic preservation 307
- Historic sites154
- Historic sites 273
- History67
- History 51
- History, Local 29
- History, Military 33
- History--Chronology 219
- Horticulture77
- Housing surveys 91