Index: Adams Family Correspondence, Volume 11, H
- Hague, The, Netherlands
- Halifax, Nova Scotia
- Hall, Joseph (Boston lawyer)
- Hall, Susanna Boylston Adams (1709–1797, mother of JA)
- Hallowell, Mary (daughter of Mary Boylston)
- Hallowell, Mary Boylston (1st cousin of JA’s mother)
- Hamburg, Germany
- Hamilton, Alexander
- Hamilton, C. Antoine
- Hammond, George (Brit. undersecretary for foreign affairs)
- Hammond, James
- Hancock, Dorothy Quincy
- Hancock, George (Va. representative)
- Hanging Maw (Cherokee leader)
- Hanover, Germany
- Hardwick, Frederick (Quincy cordwainer)
- Hardwick, George Mears (son of Frederick)
- Harley, Robert
- Harper, Robert Goodloe (S.C. representative)
- Harrington, James
- Harrison, James (N.Y. publisher)
- Harrod, Ann (1774–1845, later wife of TBA, designated as AHA in The Adams Papers)
- Hartford, Conn.
- Harvard College
- Harvard University Press
- Harwich, England
- Hathaway, Anne (wife of Shakespeare)
- Haverhill, Mass.
- Haverhill, N.H.
- Hayden, Mr. (of Quincy)
- Hayward, Bethiah (Bethia) Adams Hunt Bicknell (aunt of JA)
- Health and illnesses
- Heath, Anna Penniman (wife of Samuel)
- Heath, Samuel W. (of Quincy)
- Heijman (Heijmans), Dr. Isaac (of The Hague)
- Hellevoetsluis, Netherlands
- Henning, Miss (Johnson governess)
- Henry, John (Md. senator)
- Henry, Patrick (of Va.)
- Herald (New York)
- Hermitage (Md. estate)
- Hersey, Dr. Ezekiel (of Hingham)
- Hervey, James
- Hibernian Society for the Relief of Emigrants from Ireland (Phila.)
- Hichborn, Benjamin (Boston lawyer)
- Higginson, Stephen (Boston merchant)
- Hindman, William (of Md.)
- Hingham, Mass.
- History
- Hitchcock, David (Brookfield, Mass., innkeeper)
- Hobart, Susanna Adams (1766–1826, niece of JA)
- Hoffmann, François Benoît
- Holbrook, Capt. (of the President)
- Holidays
- Holland and West Friesland (province of the Netherlands)
- Holland (ship)
- Holland Land Company
- Holy Roman Empire
- Home, Capt. Rodham (of the Brit. Africa)
- Homer
- Honestus
- Hopkins, Dr. Lemuel (of Hartford, Conn.)
- Horace
- Hotels
- House of Representatives, U.S.
- Houses
- Howard, Betsy (Adams servant)
- Howard, John Clarke (son of Simeon)
- Howard, Polly Doble (of Braintree)
- Howard, Rev. Simeon (of Boston)
- Howe, Adm. Richard Howe, Earl (Brit. naval commander)
- Hubbard, Nicolaas (Amsterdam banker)
- Hudson (North) River
- Huger, Francis Kinloch (of S.C.)
- Hull, Thomas H. (Brit. artist)
- Hume, David
- Humphreys, Col. David (U.S. diplomat)
- Hunt, Abraham (Trenton, N.J., merchant)
- Hyde, Edward, 1st Earl of Clarendon
- Hylton, Daniel L. (Richmond, Va., merchant)
- Hylton v. United States