| m ... Mabley, Moms |
| Mably, Gabriel de ... MacEntyre, Eduardo |
| Maceo, Antonio ... Mackenzie, Sir Morell |
| Mackenzie, Sir Thomas ... macrophyte |
| Macropipus ... Madox, Thomas |
| Madras ... Mager Island |
| Maggiani, Maurizio ... magnetic resonance spectrometry |
| magnetic resonance spectroscopy ... Mahabalipuram |
| Mahabat Khan ... Mahmud I |
| Mahmud II ... Mainland |
| mainlining ... Makan ibn Kaki |
| Makapansgat ... malanggan style |
| Malania anjouanae ... malicious damage |
| Malick, Terrence ... malt wine |
| malt worker's lung ... managed chain store |
| managed currency ... Mandelbrot set |
| Mandelbrot, Benoit ... Manhattan Bridge |
| Manhattan Building ... Mannheim school |
| Mannheim, Amedee ... Mantua, Council of |
| Mantua, Siege of ... maqam |
| maqam ... Marca-Relli, Conrad |
| Marcabru ... mare's-tail |
| Marealle ... Maria Luisa of Savoy |
| Maria Madre ... Mariners' Museum |
| Marinette ... marketing control |
| marketing expense-to-sales analysis ... Marquis, Don |
| Marr, Nikolay Yakovlevich ... Marsi |
| Marsi ... martineta tinamou |
| Martinez ... Marynich, Mikhail |
| Marysville ... Mason, Charles |
| Mason, Charles H. ... Masson, Antoine |
| Masson, David ... Matehuala |
| Matejko, Jan ... matrix mechanics |
| matrix resin ... matzo |
| Mau ... Mawson Peak |
| Mawson Station ... Mayall, John |
| Mayama Seika ... Mazda Motor Corporation |
| Mazdak ... McClure, Doug |
| McClure, Samuel Sidney ... McGregor, William |
| McGroarty, John Steven ... McNary-Haugen bill |
| McNaught, John ... meat |
| Meat Inspection Act ... Median Wall |
| Medias ... Medoc |
| Medtner, Nikolay ... Mehmed Fuat Koprulu |
| Mehmed I ... Melanerpes |
| Melanesian culture ... melody |
| Melody Amber Chess Tournament ... Menchik-Stevenson, Vera Francevna |
| Menchu, Rigoberta ... Menninger, Charles Frederick |
| Menninger, Karl Augustus ... merchandise agent |
| merchandise balance ... merit good |
| merit system ... Meru, Mount |
| Meru, Mount ... Messapic alphabet |
| Messapic language ... metallurgy |
| metalmark ... methimazole |
| methionine ... Metty, Russell |
| meturgeman ... mezuzah |
| mezza majolica ... Michelangeli, Arturo Benedetti |
| Michelangelo ... microlite |
| microlite ... Middle Bronze Age |
| Middle Bulgarian language ... Midway Airport |
| Midway Gardens ... Milan Decree |
| Milan faience ... Milkowski, Zygmunt |
| milkweed ... milling |
| milling ... Min-yueh |
| Mina ... Ming Tang |
| Ming Tombs Reservoir ... Minogue, Kylie |
| Minomura Rizaemon ... Miramichi |
| Miramon, Miguel ... missing link |
| mission ... Mitchell, Parren James |
| Mitchell, Peter Dennis ... mixed strategy |
| mixed syllogism ... mobile phase |
| Mobile River ... Modern Standard Chinese language |
| modern type ... Mohawk Trail |
| Mohegan ... molecular energy level |
| molecular evolution ... monadic predicate |
| monadic predicate calculus ... Monimiaceae |
| monism ... monophyletic theory |
| monophysite ... Montague, Richard |
| Montaigne, Michel de ... Montfort, Simon de |
| Montfort, Simon de ... Moog, Robert Arthur |
| Mook, Battle of ... Moral Majority Coalition |
| moral psychology ... Morgan |
| Morgan City ... Morneau, Justin |
| Morner, Carl Otto ... Morris, Wright |
| Morris-Jones, Sir John ... Mosconi, Willie |
| Moscoso, Luis de ... moth bean |
| moth borer ... Moulin Rouge |
| Moulin, Jean ... mourning cloak butterfly |
| mourning dove ... Mozi |
| Mozon, Treaty of ... mud puppy |
| mud slide ... Muhammad Shah I |
| Muhammad Shaybani ... mulita |
| Mulk, Taj al- ... multiple exposure |
| multiple fission ... Municipal Act |
| Municipal Corporation of Greater Bombay ... Murchison meteorite |
| Murchison Range ... Mursilis II |
| Mursilis III ... Mushegh Mamikonian |
| Mushet, Robert Forester ... mustache |
| mustache shrimp ... My Tho |
| Mya ... Myrdals Glacier |
| Myrddin Wyllt ... |
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