All authors

• Martineau, Harriet
• Marx, Karl
• Masaryk, Tomáš
• Maslow, Abraham
• Mauss, Marcel
• Mayo, Elton
• McIntosh, Mary
• McLuhan, Marshall
• Mead, George Herbert
• Mead, Margaret
• Merton, Robert K.
• Meyer, John W.
• Michels, Robert
• Miliband, Ralph
• Mill, John Stuart
• Millett, Kate
• Mills, Charles Wright
• Mitchell, Juliet
• Moore, Barrington Jr.
• Morgan, Lewis Henry