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- Ma-Has-Kah.
- MacCleary.
- Maccumsey, Mathias.
- Macdonough, Thomas,--1783-1825. (3)
- Macedonian (Frigate : 1810-1828) (3)
- Maceo, Antonio,--1845-1896--Commemoration.
- Machinery--Ireland--1780-1790.
- Machir, James,--d. 1827.
- Macomb, Alexander,--1782-1841. (2)
- Madero, Francisco I.,--1873-1913. (6)
- Madison, Dolley,--1768-1849.
- Madison, James,--1751-1836--Homes & haunts--Washington (D.C.)
- Madison, James,--1751-1836--Homes & haunts.
- Madison, James,--1751-1836. (8)
- Madison, James. (4)
- Madison, William,--1762-1843.
- Magicians--1890-1920.
- Magnetic healing--1840-1850.
- Mail steamers--1850-1860.
- Mail steamers--1870-1880.
- Maine (Battleship No. 10)--Cuba--Havana--1890-1900.
- Maine (Battleship)--Disasters--Cuba--Havana--1890-1900.
- Maine, temperance laws in. (2)
- Major League Baseball (Organization)--People--1880-1890.
- Malcom, John--Trials, litigation, etc.--Massachusetts--Boston--1770-1780.
- Malesherbes, Chrétien Guillaume de Lamoignon de,--1721-1794. (2)
- Mall, The (Washington, D.C.)--1840-1850.
- Mall, The (Washington, D.C.)--1850-1860.
- Mall, The (Washington, D.C.)--1860-1870.
- Malvern Hill, Battle of.
- Mancera, Valentín.
- Manchester (N.H.)--1850-1860.
- Mangum, Willie P..
- Manifest Destiny.
- Manila Bay, Battle of, Philippines, 1898.
- Manners & customs--1750-1800.
- Manners & customs--1820-1880.
- Manners & customs--1880-1890.
- Manners & customs--Europe--1750-1800.
- Maps--1890-1900.
- Maps--United States--1860-1870.
- Marching percussion--1860-1870.
- Marching--1770-1780.
- Marching--1860-1870.
- Marie Antoinette,--Queen, consort of Louis XVI, King of France,--1755-1793. (4)
- Marine accidents--1880-1890.
- Marine terminals--New Jersey--1800.
- Marine terminals--Panama--Colón--1850-1860.
- Marion, Francis,--1732-1795--Military service. (4)
- Marius, Gaius,--ca. 157-86 B.C.
- Markets--1800-1830.
- Markets--1820-1850.
- Markets--Italy--Palermo--1760-1780.
- Markets--Northern Ireland--Banbridge--1780-1790.
- Markets--Russia (Federation)--Moscow--1820-1840.
- Marpé, August.
- Marriage proposals--1840-1850.
- Marriage proposals--1860-1890.
- Marriage proposals--1870-1880.
- Marriage--1840-1850. (4)
- Marriage--1890-1920.
- Marriage--Mexico--1910-1920.
- Marshall, John,--1755-1835.
- Marshall, Thomas,--1784-1835.
- Martí, José,--1853-1895--Commemoration.
- Martyrs--1890-1920.
- Martyrs--Irish--England--Manchester--1860-1870. (2)
- Mary,--Blessed Virgin, Saint--Journeys.
- Mary,--Blessed Virgin, Saint. (5)
- Mary,--Queen of Scots,--1542-1587. (3)
- Maryland.
- Mason, Jonathan,--1756-1831.
- Masonic buildings--Ohio--Cincinnati--1850-1860.
- Masonic buildings--Pennsylvania--Philadelphia--1810-1820. (2)
- Masons. (5)
- Masquerades--1820-1830.
- Massachusetts Charitable Mechanic Association--Rites & ceremonies--1880-1890.
- Massachusetts.
- Massacre of the Holy Innocents.
- Mássika.
- Match industry--Maine--Portland--1860-1880.
- Mathew, Theobald,--1790-1856.
- Mathiot, John B.
- Matthews, William,--1770-1854.
- Maverick, Samuel.
- Maximilian,--Emperor of Mexico,--1832-1867.
- Maximilian--I Joseph,--King of Bavaria,--1756-1825.
- Maxse, Henry Fitzhardinge Berkeley,--Sir,--1832-1883--Military service.
- May, Charles Augustus,--1817-1864--Military service.
- May, Frederick,--1773-1847.
- May, Samuel J.--(Samuel Joseph),--1797-1871.
- Mayflower (Ship)--1620.
- Maynard (Mass.)--1870-1880.
- Mayo, John,--1760-1818.
- Mazzini, Giuseppe,--1805-1872.
- McClellan, George B.
- McClellan, George B., presidential candidate. (4)
- McClellan, George Brinton,--1826-1885--Family.
- McClellan, George Brinton,--1826-1885--Military service. (10)
- McClellan, George Brinton,--1826-1885. (3)
- McCloskey, John,--Cardinal,--1810-1885. (2)
- McClure, Alexander.
- McCormick, Cyrus Hall,--1809-1884.
- McDaniel, John,--1780-1832.
- McElroy, John,--1782-1877.
- McElwee, Thomas B.
- McHenry, James,--1753-1816.
- McIlvaine, Joseph,--1769-1826.
- McKinley, William,--1843-1901.
- McLean, John,--1785-1861. (2)
- McLean, John.
- McNeill, George E.--(George Edwin),--1837-1906.
- McNeill, Neil.
- McPherson, James Birdseye,--1828-1864--Death & burial--Georgia--Atlanta.
- McPherson, James Birdseye,--1828-1864.
- Meade, George Gordon,--1815-1872--Military service.
- Meadows--Germany--1800-1810.
- Meadows--New York (State)--1820-1830. (2)
- Meadows--New York (State)--Fort Edward--1820-1830.
- Meagher, Thomas Francis,--1823-1867--Military service.
- Meagher, Thomas Francis,--1823-1867.
- Measuring--1780-1790.
- Meat industry--1870-1880.
- Meat--1870-1880.
- Medals--1830-1840. (2)
- Medical aspects of war--France--Gravelotte--1870-1880.
- Medical aspects of war--Ukraine--Balaklava--1850-1860.
- Medicines--1880-1890.
- Meetings--1820-1830.
- Meetings--1860-1870.
- Meetings--Vatican City--1860-1870.
- Melanchthon, Philipp,--1497-1560. (3)
- Melrose Abbey--1860-1870.
- Memorial arches--France--Paris--1810. (2)
- Memorial arches--New Jersey--Trenton--1780-1790.
- Memorial arches--New York (State)--New York--1780-1790.
- Memorial rites & ceremonies--1880-1890.
- Memorial works--1890-1900.
- Men--1840-1850.
- Men--1890-1900.
- Men--1940-1950. (2)
- Men--Clothing & dress--1770-1800.
- Men--Clothing & dress--1820-1830.
- Men--Clothing & dress--1830-1840. (13)
- Men--Clothing & dress--1840-1850. (3)
- Men--Clothing & dress--1850-1860.
- Men--Clothing & dress--United States--1890-1900.
- Men--Domestic life--1860-1870.
- Men--Employment--1830-1840.
- Men--Employment--1850-1860.
- Men--Employment--Ireland--1780-1790.
- Men--Ireland--1870-1880.
- Men--Ireland--1880-1890.
- Men--Ireland.
- Men--Mexican--1910-1920.
- Men--Military service--1940-1950.
- Men--Ohio--Cincinnati--1850.
- Men--Political activity--1810-1820. (2)
- Men--Political activity--1840-1860.
- Men--Political activity--Pennsylvania--Philadelphia--1860-1870.
- Men--Social life--1600-1620.
- Men--Social life--1800-1810.
- Men--Social life--1820-1830. (4)
- Men--Social life--1830-1840. (7)
- Men--Social life--1840-1850. (2)
- Men--Social life--1870-1880.
- Men--Social life--1870.
- Men--Social life--1880-1890. (2)
- Men--Social life--New York (State)--New York--1820-1840.
- Men--Social life--United States--1840-1850.
- Men--Sports--1790-1840.
- Men--Sports--1940. (3)
- Men--Sports--United States--1890-1900.
- Menéndez de Avilés, Pedro,--1519-1574.
- Menominee Indians--Clothing & dress--1840-1850.
- Mental states--1860-1870.
- Mercantile facilities--Ireland--Dublin--1780-1790.
- Mercer, Henry.
- Mercer, Hugh Tenant Weedon,--1776-1853.
- Merchant's Gargling Oil Company--Products--1870-1880.
- Merchants--1820-1830. (2)
- Merchants--1850-1860.
- Merchants--France--Paris--1800-1820.
- Merchants--Ireland--Dublin--1780-1790.
- Merchants--New York (State)--New York--1860-1870.
- Merchants--South Carolina--1800-1830.
- Merrimack (Frigate) (4)
- Merrimack (Frigate)--1860-1870.
- Messengers--1820-1830.
- Messengers--France--1790-1820.
- Methodists--1760-1770.
- Methodists--1810-1820. (2)
- Mexican War, 1846-1848--Campaigns & battles--Mexico--Buena Vista.
- Mexican War, 1846-1848--Campaigns & battles--Mexico--Cerro Gordo. (2)
- Mexican War, 1846-1848--Campaigns & battles--Mexico--Mexico City. (2)
- Mexican War, 1846-1848--Campaigns & battles--Mexico--Monterrey.
- Mexican War, 1846-1848--Campaigns & battles--Mexico--Vera Cruz. (2)
- Mexican War, 1846-1848--Campaigns & battles--Mexico--Veracruz (Veracruz) (3)
- Mexican War, 1846-1848--Campaigns & battles--Mexico.
- Mexican War, 1846-1848--Campaigns & battles--Texas--Brownsville. (3)
- Mexican War, 1846-1848--Campaigns & battles--Texas--Palo Alto.
- Mexican War, 1846-1848--Campaigns & battles--Texas. (3)
- Mexican War, 1846-1848--Campaigns & battles. (11)
- Mexican War, 1846-1848--Casualties--Mexico--Veracruz (Veracruz).
- Mexican War, 1846-1848--Casualties.
- Mexican War, 1846-1848--Communications. (2)
- Mexican War, 1846-1848--Military facilities--Texas--Corpus Christi.
- Mexican War, 1846-1848--Military personnel--American--Mexico--Mexico City.
- Mexican War, 1846-1848--Military personnel--American--Mexico--Veracruz (Veracruz)
- Mexican War, 1846-1848--Military personnel--American.
- Mexican War, 1846-1848--Military personnel--Mexican.
- Mexican War, 1846-1848--Naval operations--American--Mexico--Vera Cruz.
- Mexican War, 1846-1848--Naval operations--American.
- Mexican War, 1846-1848--Naval operations--Mexico. (4)
- Mexican War, 1846-1848--People.
- Mexican War, 1846-1848--Surrenders--Mexican--Mexico--Veracruz (Veracruz)
- Mexican War, 1846-1848. (3)
- Mexicans, parodied. (2)
- Mexicans--1820-1830.
- Mexico City (Mexico)--1840-1850.
- Mexico City (Mexico)--1880-1900.
- Mexico City (Mexico)--History--American occupation, 1847-1848.
- Mexico, U.S. war with Matamoras (Mexico).
- Mexico, U.S. war with. (7)
- Mexico--History--Revolution, 1910-1920. (9)
- Mexico--History--Wars of Independence, 1810-1821. (2)
- Mice--1870-1880.
- Michigan State Normal School--Buildings.
- Middle age--1860-1870.
- Midways--France--Paris--1850-1860.
- Miercken, Henry,--d. 1808.
- Mieris.
- Military academies--New York (State)--1820-1830.
- Military camps--1860-1870.
- Military camps--British--England--London--1780-1790. (2)
- Military camps--British--Ukraine--Crimea--1850-1860. (5)
- Military camps--Confederate--1860-1870.
- Military camps--England--1780-1790.
- Military camps--Florida--Picolata--1830-1840.
- Military camps--French--Ukraine--Crimea--1850-1860.
- Military camps--Maryland--Baltimore--1860-1870. (3)
- Military camps--North Carolina--Roanoke Island--1860-1870.
- Military camps--Ohio--Camp Dennison--1860-1870.
- Military camps--Pennsylvania--Philadelphia--1860-1870.
- Military camps--Pennsylvania--Valley Forge--1770-1780.
- Military camps--Tennessee--Cumberland Gap--1860-1870. (2)
- Military camps--Texas--Corpus Christi--1840-1850.
- Military camps--Union--Mississippi--Vicksburg--1860-1870. (4)
- Military camps--Union--Tennessee--Chattanooga--1860-1870. (2)
- Military camps--Virginia--Alexandria--1860-1870.
- Military camps--Virginia--Brandy Station--1860-1870.
- Military camps--Washington (D.C.)--1860-1870.
- Military decorations--France--1800-1810.
- Military discharges--United States--1860-1870.
- Military facilities--British--Ukraine--Crimea--1850-1860.
- Military headquarters--British--Ukraine--Crimea--1850-1860. (2)
- Military hospitals--Ohio--Camp Dennison--1860-1870.
- Military hospitals--Turkey--Istanbul--1850-1860.
- Military hospitals--Washington (D.C.)--1860-1870. (4)
- Military life--British--England--London--1780-1790. (2)
- Military life--England--1780-1790.
- Military life--Florida--Tampa--1830-1840.
- Military life--Guadeloupe--1760-1770.
- Military life--Mexican--Mexico--1910-1920.
- Military life--Mexico--1910-1920.
- Military life--Pennsylvania--Philadelphia--1860-1870.
- Military life--Union--1860-1870. (2)
- Military maneuvers--Florida--1830-1840.
- Military maneuvers--Florida--Withlacooche River--1830-1840.
- Military occupations--British--New York (State)--1770-1780.
- Military occupations--Union--Tennessee--Nashville--1860-1870.
- Military officers--1770-1780.
- Military officers--1770-1790.
- Military officers--1840-1850.
- Military officers--1860-1870.
- Military officers--American--1770-1780. (2)
- Military officers--American--1770-1790. (18)
- Military officers--American--1770-1810.
- Military officers--American--1810-1820. (2)
- Military officers--American--1810-1830.
- Military officers--American--1840.
- Military officers--American--Texas--1840-1850.
- Military officers--British--New Jersey--1770-1780.
- Military officers--British--New York (State)--West Point--1780.
- Military officers--British--Ukraine--Crimea--1850-1860.
- Military officers--British--Virginia--Yorktown--1780-1790.
- Military officers--Confederate--1860-1870.
- Military officers--Ireland--1870-1880.
- Military officers--Mexican--Texas--Brownsville--1840-1850.
- Military officers--Texas--Brownsville--1840-1850.
- Military officers--Union--1860-1865.
- Military officers--Union--1860-1870. (3)
- Military officers--Union--New York (State)--1860-1870. (2)
- Military parades & ceremonies--France--Paris--1810. (2)
- Military parades & ceremonies--New York (State)--1850-1860.
- Military parades & ceremonies--Tennessee--Nashville--1860-1870.
- Military personnel--1840-1850.
- Military personnel--American--1840-1850.
- Military personnel--American--Mexico--Buena Vista--1840-1850.
- Military personnel--American--Mexico--Vera Cruz--1840-1850.
- Military personnel--Americans--1850-1910.
- Military personnel--British--Ukraine--Crimea--1850-1860. (2)
- Military personnel--British--Virginia--Yorktown--1780-1790.
- Military personnel--Confederate--North Carolina--Fort Fisher--1860-1870.
- Military personnel--Confederate--Virginia--Culpeper County--1860-1870.
- Military personnel--French--Ukraine--Crimea--1850-1860.
- Military personnel--French--Ukraine--Sevastopolʹ--1850-1860.
- Military personnel--Georgia--Atlanta--1860-1870.
- Military personnel--Irish--New York (State)--1850-1860.
- Military personnel--Louisiana--New Orleans--1850-1860.
- Military personnel--Mexican--Texas--Brownsville--1840-1850.
- Military personnel--Mexico--1840-1850.
- Military personnel--Mexico--Buena Vista--1840-1850. (2)
- Military personnel--Mexico--Cerro Gordo--1840-1850. (2)
- Military personnel--Mexico--Mexico City--1840-1850.
- Military personnel--Mexico--Monterrey--1840-1850.
- Military personnel--Russian--Ukraine--Sevastopolʹ--1850-1860.
- Military personnel--Texas--Brownsville--1840-1850.
- Military personnel--Ukraine--Crimea--1850-1860.
- Military personnel--Union--1860-1870. (2)
- Military personnel--Union--Missouri--Wilson's Creek National Battlefield--1860-1870.
- Military personnel--Union--North Carolina--Fort Fisher--1860-1870.
- Military personnel--Union--Tennessee--Chattanooga--1860-1870.
- Military personnel--Union--Tennessee--Murfreesboro--1860-1870. (3)
- Military personnel--Union--Virginia--1860-1870.
- Military personnel--Union--Virginia--Bull Run--1860-1870.
- Military personnel--Union--Virginia--Culpeper County--1860-1870.
- Military personnel--Virginia--Culpeper County--1860-1870.
- Military scouts--American--1870-1890.
- Military service--1770-1780.
- Military standards--1790-1800.
- Military uniforms--1840-1850.
- Military uniforms--1860-1870. (2)
- Military uniforms--American--1770-1780.
- Militia and militiamen.
- Militias--1810-1820.
- Militias--New England--1770-1780.
- Militias--New Jersey--1770-1790.
- Militias--New York (State)--1850-1860.
- Milk--1940-1950.
- Milking--1820-1830.
- Miller, Samuel Franklin,--1827-1892.
- Millinery--Connecticut--Falls Village--1870-1880.
- Mills--Colorado--Blackhawk--1880-1890.
- Mills--Ireland--1780-1790. (3)
- Mills--New York (State)--Hudson Falls--1820-1830.
- Mills--New York (State)--Luzerne--1820-1830.
- Mills--New York (State)--Sandy Hill--1820-1830.
- Mills--Northern Ireland--1780-1790.
- Milnor, James,--1773-1845.
- Milwaukee (Wis.)--1850-1860.
- Milwaukee (Wis.)--1890-1900.
- Minarets--Turkey--Istanbul--1810-1820.
- Minerva
- Minerva (Roman deity)--1790-1800.
- Mining--1920-1940.
- Minneapolis (Minn.)--1870-1880.
- Minneapolis (Minn.)--1880-1890.
- Minor, John,--1761-1816.
- Minot's Ledge Lighthouse--Massachusetts--Scituate--1860.
- Minstrel shows--Massachusetts--Boston--1860-1870.
- Minutemen (Militia) (2)
- Minutemen (Militia)--New England--1770-1780.
- Miracles--Mexico--1900-1910. (4)
- Miracles--Mexico--1910-1920.
- Miracles--Mexico--1910. (2)
- Mirrors--Maryland--Baltimore--1830-1840.
- Misbehaving children--1860-1870.
- Missing persons--1820-1830.
- Missionaries--1840-1850. (2)
- Missionaries--1860-1870.--lctgm
- Missionary Ridge, Battle of, Tenn., 1863. (2)
- Mississippi River--1840-1850.
- Mississippi River--1850-1860.
- Mississippi River--1860-1870.
- Mississippi River--1870-1880.
- Mississippi River--1880-1890.
- Mississippi River. (2)
- Mississippi.
- Missouri Compromise.
- Missouri. (3)
- Mistletoe.
- Mitchel, John,--1815-1875. (3)
- Mitchell, John,--1870-1919.
- Mitchell, Nahum,--1769-1853.
- Mixcoac (Mexico City, Mexico)--1890-1910.
- Moa-Na-Hon-Ga.
- Mobile Bay, Battle of, Ala., 1864.
- Mohawk and Hudson Rail Road Company--1830-1840.
- Mohawk Indians--1770-1780.
- Mohawk Indians--Clothing & dress--1830-1840.
- Mohawk River (N.Y.)--1760-1770.
- Monasteries--Ukraine--Crimea--1850-1860. (2)
- Money, John,--1739 or 40-1817.
- Money--France--1790-1800. (2)
- Monges, J. A.--(John Armentaire),--1759-1827.
- Monitor (Ironclad) (2)
- Monitor (Ironclad)--1860-1870.
- Monk, Christopher.
- Monkeys--1840-1850.
- Monkeys--1860-1870. (2)
- Monkeys--1870-1880.
- Monmouth, Battle of, Freehold, N.J., 1778. (3)
- Monongahela, Battle of the, Pa., 1755.
- Monopolies--1870-1880.
- Monotype Corporation--Products--1950-1960.
- Monroe, James,--1758-1831. (7)
- Monroe, James. (4)
- Monsters--1890-1920. (2)
- Monterrey, Battle of, Monterrey, Mexico, 1846. (9)
- Montez, Lola,--1818-1861--Journeys.
- Montez, Lola,--1818-1861--Performances.
- Montgomery, Richard,--1738-1775--Death & burial.
- Monuments & memorials--1670-1700.
- Monuments & memorials--1820.
- Monuments & memorials--1880-1890.
- Monuments & memorials--Maryland--Baltimore--1830-1840.
- Monuments & memorials--New York (State)--1860-1870.
- Monuments & memorials--New York (State)--New York--1840-1850.
- Monuments & memorials--Ohio--Cincinnati--1860-1870.
- Monuments & memorials--Washington (D.C.)--1840-1850. (3)
- Monuments & memorials--Washington (D.C.)--1850-1860. (2)
- Monuments & memorials--Washington (D.C.)--1860-1890.
- Monuments & memorials--Washington (D.C.)--1880-1890.
- Moody, James,--1744?-1809.
- Moonlight--1860-1870.
- Moonlight--1870-1880. (2)
- Moonlight--1880.
- Moonlight--Scotland--Melrose (Scottish Borders)--1860-1870.
- Moore, Alfred L.
- Moore, Thomas,--1779-1852.
- Moosehead Lake (Me.)--1840-1880.
- Mops & mopsticks--1870.
- Moravians--Pennsylvania--Bethlehem--1760-1770.
- Morell, P.
- Morgan, Junius Spencer.
- Mormons--1820-1830.
- Mormons--1830-1890.
- Mormons--Illinois--Carthage--1850-1860.
- Mormons--Illinois--Nauvoo--1890.
- Mormons. (2)
- Morris Island, Battle of, S.C., 1863 (July 10-September 7) (2)
- Morris, Anthony,--1766-1860.
- Morris, Lewis Robert,--1760-1825.
- Morris, Samuel,--1734-1812
- Morse, Samuel Finley Breese,--1791-1872--Commemoration.
- Mortars (Ordnance)--Ukraine--Crimea--1850-1860.
- Mortars--Ukraine--Crimea--1850-1860.
- Mortgages--1880-1890.
- Morton, Levi P.--(Levi Parsons),--1824-1920. (2)
- Morton, Oliver P.--(Oliver Perry),--1823-1877. (2)
- Morton, Perez,--1751-1837.
- Mosby, John Garland,--1786-1855.
- Moscow (Russia) (2)
- Moscow (Russia)--1840-1850.
- Mosely, J. G.
- Moses--(Biblical leader) (3)
- Mosques--Turkey--Istanbul--1810-1820.
- Mothers & children--1830-1840.
- Mothers & children--1840-1850.
- Mothers & children--1900-1910.
- Mothers & children--1910-1920.
- Mothers & children--1910.
- Mothers & children--Mexico--1900-1910.
- Mothers & children--United States--1830-1860.
- Mothers & children--United States--1870-1880.
- Mothers--1840-1860.
- Mothers--1870-1880. (2)
- Mothers--1870-1890.
- Mothers--1890-1900.
- Mothers--New York (State)--New York--1870-1880.
- Mott, Lucretia,--1793-1880.
- Mouchet, Joseph.
- Mount Clare (Baltimore, Md.)--1860-1870.
- Mount Desert Island (Me.)
- Mount Vernon (Va. : Estate) (3)
- Mount Vernon (Va. : Estate)--1760-1800.
- Mount Vernon (Va. : Estate)--1780-1790.
- Mount Vernon (Va. : Estate)--1800.
- Mount Vernon (Va. : Estate)--1830-1840.
- Mount Vernon (Va. : Estate)--1850-1860. (2)
- Mount Vernon (Va. : Estate)--1850-1880.
- Mount Vernon (Va. : Estate)--1860-1870.
- Mount Vernon Ladies' Association of the Union.
- Mountain Meadows Massacre, Utah, 1857.
- Mountain roads--Italy--1770-1780.
- Mountains--1840-1880. (2)
- Mountains--1860-1870. (2)
- Mountains--1870-1880.
- Mountains--Austria--1800-1810.
- Mountains--California--1860-1870. (2)
- Mountains--California--1870-1880. (4)
- Mountains--Colorado--1870-1880. (2)
- Mountains--Germany--1800-1810.
- Mountains--Ireland--Galway--1850-1880.
- Mountains--Mexico--Monterrey--1840-1850. (2)
- Mountains--New Hampshire--1850-1860.
- Mountains--New York (State)--1830.
- Mountains--North Carolina--1880-1890.
- Mountains--Pennsylvania--Mount Carbon--1830-1840.
- Mountains--Yellowstone National Park--1870-1880.
- Mountains.
- Mouton, Alexander,--1804-1885. (2)
- Mowing machines--United States--1860-1880.
- Mowing--Southern States--1860-1870.
- Mowing--United States--1860-1880.
- Moyamensing Prison (Phila.).
- Mud--1820-1830.
- Mud--Ukraine--Crimea--1850-1860.
- Muhlenberg, Henry Augustus Philip,--1782-1844.
- Muhlenberg, John Peter Gabriel,--1746-1807--Military service.
- Mules--Spain--1860-1870.
- Murals--Italy--Pompeii (Extinct city)--1840-1870. (7)
- Murray, Alexander,--1754 or 5-1821.
- Murray, John,--1741-1815.
- Muscatine (Iowa)--1840-1850.
- Muse, Joseph Ennalls,--1776-1852.
- Muse, Lawrence.
- Music--1860-1870.
- Music--1870-1880. (2)
- Music--1900. (2)
- Musicians--1770-1780.
- Musicians--1820-1830. (2)
- Musicians--1870-1880.
- Musicians--1880-1890.
- Musicians--1890.
- Musicians--Chinese--New York (State)--New York--1850.
- Musicians--Mexico--1880-1910.
- Musicians--Mexico--1890-1910.
- Musicians--Mexico--1910-1920.
