1922 Encyclopædia Britannica/Vol 31:8


 * valign="top"|
 * ../Mann, Tom/
 * ../Manoel II./
 * ../Map/
 * ../March, Francis Andrew/
 * ../Marchand, Jean-Baptiste/
 * ../Marchesi, Mathilde/
 * ../Marconi, Guglielmo/
 * ../Margueritte, Paul/
 * ../Marines/
 * ../Markby, Sir William/
 * ../Marketing/
 * ../Markham, Sir Albert Hastings/
 * ../Markham, Sir Arthur Basil/
 * ../Markham, Sir Clements Robert/
 * ../Marlowe, Julia/
 * ../Marne, Battle of the/
 * ../Marqueste, Laurent Honoré/
 * ../Marschall von Bieberstein, Baron Adolf von/
 * ../Marsh, Catharine/
 * ../Marshall, Alfred/
 * ../Marshall, Thomas Riley/
 * ../Marshall, Sir William Raine/
 * ../Maryland/
 * ../Marzials, Sir Frank Thomas/
 * ../Mascagni, Pietro/
 * valign="top"|
 * ../Masefield, John/
 * ../Mason, Alfred Edward Woodley/
 * ../Maspero, Sir Gaston Camille Charles/
 * ../Massachusetts/
 * ../Massenet, Jules Emile Frédéric/
 * ../Massey, William Ferguson/
 * ../Masters, Edgar Lee/
 * ../Masuria, Battles in/
 * ../Mathematics/
 * ../Mathews, Sir Charles Willie/
 * ../Mattei, Tito/
 * ../Matter, Constitution of/
 * ../Maubeuge, Siege of/
 * ../Maude, Cyril/
 * ../Maude, Sir Frederick Stanley/
 * ../Maudsley, Henry/
 * ../Maunoury, Michel Joseph/
 * ../Mauritius/
 * ../Max of Baden, Prince/
 * ../Max, Adolphe/
 * ../Maxim, Sir Hiram Stevens/
 * ../Maxwell, Sir John Grenfell/
 * ../Maybrick, Michael/
 * ../Mayo, Henry Thomas/
 * ../Mayo, William James/
 * valign="top"|
 * ../Mayor, John Eyton Bickersteth/
 * ../Meath, Reginald Brabazon, 12th Earl of/
 * ../Mecca/
 * ../Mechnikov, Ilya/
 * ../Medals and Decoration/
 * ../Medical Education/
 * ../Medical Entomology/
 * ../Medicine and Surgery/
 * ../Medicine, International/
 * ../Medina/
 * ../Mehta, Sir Pherozeshah Merwanji/
 * ../Meighen, Arthur/
 * ../Melba, Madame/
 * ../Meldola, Raphael/
 * ../Mellon, Andrew William/
 * ../Mendelism/
 * ../Menéndez y Pelayo, Marcelino/
 * ../Mensdorff-Pouilly-Dietrichstein, Albert, Count von/
 * ../Mercié, Marius Jean Antonin/
 * ../Mercier, Désiré/
 * ../Merriman, John Xavier/
 * ../Merritt, Wesley/
 * ../Merry, William Walter/
 * ../Mersey, John Charles Bigham, 1st Viscount/
 * ../Merthyr, William Thomas Lewis, 1st Baron/
 * valign="top"|
 * ../Mesdag, Hendrik Willem/
 * ../Mesopotamia/
 * ../Messel, Rudolph/
 * ../Metallurgy/
 * ../Meteorology/
 * ../Methuen, Paul Sandford, 3rd Baron/
 * ../Meuse-Argonne, Battle of/
 * ../Mexico/
 * ../Meyer, George von Lengerke/
 * ../Meyer, Marie Paul Hyacinthe/
 * ../Miall, Louis Compton/
 * ../Michaelis, Georg/
 * ../Micheler, Joseph Alfred/
 * ../Michelham, Herbert Stern, 1st Baron/
 * ../Michelson, Albert Abraham/
 * ../Michigan/
 * ../Michigan, University of/
 * ../Midleton, William St. John Fremantle Brodrick, 1st Earl of/
 * ../Milk/
 * ../Mill, Hugh Robert/
 * ../Miller, Joaquin/
 * ../Millerand, Alexandre/
 * ../Millet, Francis Davis/
 * ../Mills, Roger Quarles/
 * ../Milne, Sir George Frederick/
 * }