Index: Papers of John Adams, Volume 18, M
- Maastricht, Netherlands
- Mably, Gabriel Bonnot, Abbé de (French writer)
- Macedonia
- McGregor, Capt. John (of the Charlotte)
- McHenry, Capt. Neal (of the Betsey)
- Machias, Maine
- Machiavelli, Niccolò
- McKean, Thomas (of Penn.)
- Madan, Martin
- Madeira Islands
- Madison, James (of Va.)
- Madrid, Spain
- Magaguadavic (Megacadava) River
- Magazine of American History
- Magee, Capt. James (of the Hope)
- Mails
- Maine
- Malik, Mohammad ibn Abd al (pasha and gov. of Tangier)
- Malta
- Maltby, Rowland (London lawyer)
- Mamora (formerly São João da Mamora, Mehdiya, now Kenitra), Morocco
- Mannheim, Germany
- Mansfield, William Murray, 1st Earl of (Brit. jurist)
- Manufactures and manufacturing
- Marblehead, Mass.
- Maria I, Queen of Portugal
- Maria (Amer. merchant schooner)
- Maria Caroline, Queen of Naples
- Marie Antoinette, Queen of France
- Marrakesh, Morocco
- Marriages
- Marseilles, France
- Marshall, George (of the Jane and Elizabeth)
- Marteen (now Martil) River, Morocco
- Martha’s Vineyard, Mass.
- Martin, Thomas (of Portsmouth, N.H.)
- Martinique
- Mary (Amer. brig)
- Maryland
- Mason, George (Brit. writer)
- Massachusetts
- Massachusetts Agricultural Society
- Massachusetts Centinel (Boston)
- Massachusetts Gazette (Boston)
- Massachusetts Historical Society
- Massachusetts Medical Society 82
- Massiac, Claude Louis, Marquis de (French naval officer)
- Mathematics
- Mathurins (religious order)
- Maury, Rev. James (of Va., father of James)
- Maury, James (merchant of Va. and Liverpool)
- Mayhew, Rev. Jonathan (of Boston)
- Mazagan (now El Jadida), Morocco
- Mazzei, Philip (of Florence, Italy, and Va.)
- Mecca
- Mechicor River, Canada
- Medals
- Mediterranean Sea
- Melilla (Spanish enclave), Morocco
- Melo e Castro, Martinho de (Portuguese secy. of state)
- Melville, Herman
- Mequinez (now Meknes), Morocco
- Mercier, James (of Va.)
- Mercure de France (Paris)
- Mercury (Brit. frigate)
- Mercy d’Argenteau, Florimond Claude, Comte (Austrian ambassador to France)
- Mers-el-Kébir, Algeria
- Mézières, Chevalier de (nephew of James Oglethorpe)
- Middlesex County, Mass.
- Militia (U.S.)
- Miller, Capt. Christopher C. (U.S.)
- Milton, John
- Milton, Mass.
- Minerva (ship)
- Miquelon Islands
- Mitchell, John (Brit. cartographer)
- Mitford, Henry (prisoner at Fleet prison)
- Mobs
- Mogador (now Essaouira)
- Mohammad III
- Mohammad, Abdu’l-Rahman bin (son of Mohammad III)
- Mohammad ibn Uthman, Dey of Algiers
- Mohawk Nation
- Molasses
- Money
- Monks Horton, England
- Monroe, James
- Montagu, Elizabeth (sister of Matthew Robinson-Morris)
- Montesquieu, Charles Louis de Secondat, Baron de La Brède et de
- Montgomery, Andrew (Algerian prisoner)
- Montmorin de Saint Herem, Armand Marc, Comte de (French foreign minister)
- Moore, Rev. John (archbishop of Canterbury)
- Moors
- Moose Island (now Eastport), Maine
- Morning Chronicle and London Advertiser
- Morning Herald and Daily Advertiser (London)
- Morning Post and Daily Advertiser (London)
- Moroccan-American Treaty of Peace and Friendship
- Moroccan Army
- Moroccan Navy
- Morocco
- Morocco (city, site of Moroccan court)
- Morris, Robert (U.S. superintendent of finance)
- Mortimer, Thomas
- Moulton, Brig. Gen. Jonathan (of N.H.)
- Mount Vernon (Va. estate)
- Mummius, Lucius (Roman praetor)
- Murdoch, Robert (of Dunkerque)
- Mure, Henri Noël (French vice-consul to Morocco)
- Murphy, Arthur (Irish playwright)
- Music
- Mystic River