Index: Adams Family Correspondence, Volume 15, H
- Habersham, Joseph (U.S. postmaster general)
- Hadley, Mass.
- Hague, The, Netherlands
- Haiti
- Hale, Sir Matthew
- Hall, Anne Adams (wife of Joseph, Sr.)
- Hall, John (U.S. marshal of Penn.)
- Hall, Joseph, Sr. (1761–1848, Boston lawyer)
- Hall, Joseph, Jr. (1789–1844, son of Joseph, Sr.)
- Hamburg, Germany
- Hamilton, Alexander
- Hamilton, Elizabeth
- Hamilton, Capt. R. (of the Hope)
- Hampshire County, Mass.
- Hampton Roads, Va.
- Hannah (schooner)
- Hannibal
- Hanover, Germany
- Hanson, Alexander Contee (Md. chancellor)
- Hardy, Joseph (Phila. innkeeper)
- Hare, Robert, Jr. (Phila. chemist)
- Hargrave, Francis
- Harleian Miscellany
- Harmon, Abigail Hunt (Nabby, Adams servant)
- Harmon, Ebenezer (husband of Abigail)
- Harper, William (of Washington, D.C.)
- Harrington, James (Brit. writer)
- Harriot (brig)
- Harris, Rev. Thaddeus Mason (of Dorchester)
- Harrison, Richard (Md. merchant)
- Harrod, Ann (1774–1845, later wife of TBA, designated as AHA in The Adams Papers)
- Harrod, Samuel Treat (brother of AHA)
- Hart, Ephraim (N.Y. merchant)
- Hartford, Conn.
- Harvard College
- Harvard University Press
- Hassenclever, Maria Melcher (sister of Isaac Melcher)
- Hauterive, Alexandre Maurice Blanc de
- Haverhill, Mass.
- Hawkesbury, 1st Baron
- Hayes, Abigail (daughter of James)
- Hayes, Abigail Warner (wife of James)
- Hayes, Eliza (daughter of James)
- Hayes, James (Gloucester, Mass., merchant)
- Head, Joseph (Boston merchant)
- Head & Amory (Boston mercantile firm)
- Health and illnesses
- Heath, Maj. Gen. William (of Roxbury)
- Hellen, Ann Johnson (Nancy, sister of LCA)
- Hellen, Johnson (son of Ann)
- Hellen, Mary Johnson (LCA’s aunt, mother of Walter)
- Hellen, Walter (1766–1815, husband of Ann)
- Hellen, Walter, Jr. (1804–1806, son of Ann)
- Hellen, Washington (son of Ann)
- Hemings, Elizabeth (mother of Sally)
- Hemings, Sally (of Monticello)
- Hemphill, Joseph (Penn. representative)
- Henning, Miss (Johnson governess)
- Henry, William
- Heywood, John
- Hichborn, Benjamin (Boston lawyer)
- Hiester, Daniel (Md. representative)
- Higginson, Stephen (of Mass.)
- Hillhouse, James (Conn. senator)
- Hinckley, Capt. Robert (of the Galen)
- Hingham, Mass.
- Historisches Journal (Berlin)
- Hodgson, Joseph (Washington, D.C., hatter)
- Holidays
- Holland, Elizabeth Vassall Webster Fox, Lady (wife of Henry)
- Holland, Henry Richard Vassall Fox, 3d Baron (Brit. nobleman)
- Hollingsworth, Levi (Phila. merchant)
- Homer
- Hooe, Robert Townsend (of Washington, D.C.)
- Hope (schooner)
- Horace
- Horses
- Hotels
- Houdon, Jean Antoine (French sculptor)
- House, Charles
- House of Representatives, U.S
- Houses
- Howard, John Clarke (son of Simeon)
- Howard, Rev. Simeon (of Boston)
- Howard, Capt. Thomas (of the John Morgan)
- Hubbart, Tuthill (Boston underwriter)
- Hudson River
- Huger, Benjamin (S.C. representative)
- Huggins, Capt. (of the Molly)
- Humboldt, Friedrich Wilhelm Alexander, Baron von (Prussian scientist)
- Hume, David
- Humphreys, Col. David (U.S. diplomat)
- Hunter, William (Providence, R.I., lawyer)
- Hussey, Capt. (of the Hannah)
- Hutchings, Carolina (Peabody boarder)
- Hyde, George (Phila. bookbinder)