Index: Adams Family Correspondence, Volume 12, M
- Maassluis, Netherlands
- McElroy, Archibald (Penn. tavern keeper)
- McFarland, Rev. Asa (of Concord, N.H.)
- McHenry, James (U.S. secy. of war)
- Machir, James (Va. representative)
- Mackay, Capt.
- McKean, Rev. Joseph (of Milton)
- McKean, Sarah Armitage (wife of Thomas)
- McKean, Sarah Maria Theresa
- McKean, Thomas (Penn. chief justice)
- Madison, James
- Madison County, N.Y.
- Madrid, Spain
- Mahon, Capt. Baptista (of the Julia)
- Mails
- Mainz (Mentz), Germany
- Maisonneuve, Commandeur Joseph de (Knights of Malta)
- Malcom, Samuel Bayard (private secy. to JA)
- Malcom, Gen. William (father of Samuel)
- Malmesbury, James Harris, Earl of (Brit. diplomat)
- Malony, Elenora (of Phila.)
- Malta
- Maltese Order of the Knights of St. John of Jerusalem
- Mandeville, Bernard
- Mann, Capt. John (of the Adelaide)
- Mannheim, Germany
- Manufacturing
- Marat, Jean Paul (French revolutionary)
- Marblehead, Mass.
- Margate, England
- Maria I, Queen of Portugal
- Marie Antoinette, Queen of France
- Marlborough, Mass.
- Marly (French estate)
- Marriages
- Marsh, Jonathan (of Quincy)
- Marshall, Esther Morris (Hetty, wife of James)
- Marshall, Humphrey (Ky. senator)
- Marshall, James Markham (Va. lawyer)
- Marshall, John (Va. lawyer)
- Marshfield, Mass.
- Martin, Alexander (N.C. senator)
- Martin, James (of Boston)
- Mary (schooner)
- Mary and Sally (sloop)
- Maryland
- Mason, Anna Maria Murray (wife of John)
- Mason, John (of Georgetown, D.C.)
- Mason, Stevens Thomson (Va. senator)
- Massachusetts
- Massachusetts Historical Society
- Massachusetts Mercury (Boston)
- Massimi, Marquess Camillo (Roman minister to France)
- Masson, Francis (Brit. botanist)
- Massow, Monsieur de (marshal of Prussian court)
- Mathematics
- Maund, John James (Va. attorney)
- May, Dr. Frederick (of Washington, D.C.)
- Mazzei, Philip (of Pisa, Italy)
- Mears (Mearsh), George (of Quincy)
- Medford, Mass.
- Mediterranean Sea
- Melmoth, William
- Merlin, Philippe Antoine (French revolutionary)
- Meuse River
- Miami, Ohio
- Middlesex Canal
- Middlesex County, Mass.
- Mifflin, Thomas (gov. of Penn.)
- Milan, Italy
- Miller, James
- Miller, James (son of Magnus)
- Miller, Magnus (Phila. merchant)
- Miller, William (son of Magnus)
- Milton, John
- Milton, Mass.
- Minerva (N.Y.)
- Minerva (ship)
- Minns, Thomas (Boston printer)
- Mint, U.S.
- Mirabeau, Honoré Gabriel Riqueti, Comte de
- Mississippi River
- Mohawk Nation
- Molé, François René (French actor)
- Moliere & Fils (Amsterdam merchants)
- Mombello (Montebello), Italy
- Money
- Monroe, Elizabeth Kortright (wife of James)
- Monroe, James
- Montague, Rev. William (of Quincy)
- Montpelier, Vt.
- Moore, Edward
- Moravians
- More, Benjamin (Washington, D.C., printer)
- Morell, Thomas
- Moréri, Louis
- Morgan, Daniel (Va. representative)
- Morris, Mary White (wife of Robert)
- Morris, Nicholson & Greenleaf (Washington, D.C., land firm)
- Morris, Robert (financier)
- Morris, William White (Phila. lawyer)
- Morse, Rev. Jedidiah (of Charlestown)
- Morton, Eliza Susan
- Morton, Jacob (general of N.Y. militia)
- Morton, John (N.Y. merchant)
- Morton, Sarah Wentworth Apthorp
- Moselle River
- Mount Vernon (Va. estate)
- Muhlenberg, Frederick Augustus Conrad (Penn. politician)
- Murray, Charlotte Hughins (wife of William)
- Murray, William Vans (U.S. minister to Netherlands)
- Music
- Mysticism