Encyclopedias, Almanacs, Transcripts, and Maps
- Holkham Hall
- Holland, Jerome Heartwell
- Holland, John
- Holland, relations with
- Holly, James T.
- Hollywood Blacklisting
- Holocaust, U.S. War Effort and The
- Holtzendorff, Louis-Casimir, Baron De
- Holy Leagues
- Holy Roman Emperors
- Holy Roman Empire Institutions
- Holyoake, George Jacob
- Home Front Turmoil: The 1960s
- Homeland Insecurities
- Homeland Insecurities
- Homeland Security Department
- Homer Folks
- Homestead Lockout
- Homestead Steel Strike
- Homesteaders