Index: Adams Family Correspondence, Volume 10, H
- Haarlem, Netherlands
- Hagley Hall (Brit. estate)
- Hague, The, Netherlands
- Haiti
- Hale, Sir Matthew
- Halifax, Mass.
- Halifax, Nova Scotia
- Hall, Charles (Sunbury, Penn., lawyer)
- Hall, Samuel (Boston printer)
- Hall, Susanna Boylston Adams (1709–1797, mother of JA)
- Hallowell, Benjamin (husband of Mary Boylston)
- Hallowell, Mary (daughter of Mary Boylston)
- Hallowell, Mary Boylston (1st cousin of JA’s mother)
- Hamburg, Germany
- Hamilton, Alexander
- Hamilton, Elizabeth Schuyler (wife of Alexander)
- Hamilton, John Church (son of Alexander)
- Hammond, Abijah (N.Y. merchant)
- Hammond, George (Brit. minister to U.S.)
- Hamock, Capt. John (of Boston)
- Hamock, Sarah Hodgson (wife of John)
- Hampden, John (Brit. lawyer)
- Hancock, Dorothy Quincy (wife of John)
- Hancock, John (gov. of Mass.)
- Hanover, House of
- Hardwick, Mr. (of Quincy)
- Harison, Richard (U.S. district attorney in N.Y.)
- Harman, Mr. (of Quincy)
- Harris, Rev. Thaddeus Mason (of Dorchester)
- Harrisburg, Penn.
- Harrison, George (Phila. businessman)
- Harrison, Sophia Francis (wife of George)
- Harrod, Ann (1774–1845, later wife of Thomas Boylston Adams, designated as AHA in The Adams Papers)
- Harrod, Elizabeth Marston (sister of AHA)
- Hartford, Conn.
- Hartley, Catherine Holtzinger (wife of Thomas)
- Hartley, Col. Thomas (Penn. representative)
- Harvard College
- Harvard University Press
- Harvey, Capt. (of the Alice)
- Harwich, England
- Hassan (Hussein), Bashaw, Dey of Algiers
- Hastings, Jonathan, Jr. (Boston postmaster)
- Hastings, Warren (former governor-general of India)
- Hathorn, John (N.Y. representative)
- Havens, Jonathan (N.Y. representative)
- Haverhill, Mass.
- Havre, Le (Havre de Grâce), France
- Hayden, Mr. (Adams farmhand)
- Hayward, Bethia Adams Hunt Bicknell (aunt of JA, wife of Joshua)
- Hayward (Howard), Lt. Joshua (of Randolph)
- Hayward (Howard), Samuel (of Roxbury)
- Health and illnesses
- Hebrew language and literature
- Heideloff, Niklaus Wilhelm Innocentius von
- Heineccius, Johann Gottlieb
- Hellevoetsluis, Netherlands
- Henfield, Gideon (Salem sailor)
- Henry VIII, King of England
- Henry IV, King of France
- Henry, John (Md. senator)
- Henry, Robert
- Heraclitus (Greek philosopher)
- Herald (New York)
- Hermocrates (Greek philosopher)
- Hermodorus (Greek philosopher)
- Hertogenbosch, ’s (Den Bosch, Bois-le-Duc), Netherlands
- Hichborn, Benjamin (Boston lawyer)
- Hinduism
- Hingham, Mass.
- Hispaniola
- History
- Hobart, Col. Aaron (husband of Thankful)
- Hobart, John Sloss (N.Y. judge)
- Hobart, Susanna Adams (1776–1826, niece of JA)
- Hobart, Thankful White Adams (sister-in-law of JA)
- Hobbes, Thomas
- Hoffman, Josiah Ogden (N.Y. lawyer)
- Hogarth, William (English artist)
- Holidays
- Holland (province of the Netherlands)
- Hollis, Thomas Brand (Brit. antiquarian)
- Honestus (pseudonym)
- Hooper, Robert “King” (Marblehead merchant)
- Hopkins, Dr. Lemuel (of Hartford, Conn.)
- Hopkins, Rev. Samuel (of Newport, R.I.)
- Hoppe, Joachim
- Horace
- Horne Tooke, John (Brit. political reformer)
- Hotels
- Houchard, Gen. Jean Nicolas (French)
- House of Representatives, U.S.
- Houses
- Howard, Polly Doble (of Braintree)
- Howell, T. B., and Thomas Jones Howell
- Hubbard, Nicolaas (Amsterdam banker)
- Hudson (North) River
- Humphrey, Levi (of Braintree)
- Humphreys, Col. David (U.S. diplomat)
- Hunt, Betsey Sylvester (wife of Joseph)
- Hunt, Joseph (of Randolph)
- Hunt, William (Mass. justice of the peace)
- Huntington, Samuel (gov. of Conn.)
- Huntington, N.Y.
- Hutchinson, Dr. James (of Phila.)