- M. Jenkins, T.
- M. Schlesinger, Arthur
- MATCH
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- Ma, Joy
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- Maarleveld, Saskia
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- Mack, Catherine
- Mackail, J. W.
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- Maddow, Rachel
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- Maehashi, Nagi
- Magazine, The Editors of O, the Oprah
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- Maguire, Jessica
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- Main, Laura
- Maisey, Julie
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- Malerman, Josh
- Malhotra, Reenita
- Maloney, Michael
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- Manchester, William
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- Mandela, Nelson
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- Manfredi, Christine Feddersen
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- Mann, Bruce
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- Mann, Manjeet
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- Manning, Joshua
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- Marc, Sylvain
- March, Mia
- Marcus, Tom
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- Marianes, Eliana
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- Marinova Pompliano, Polina
- Marks, Howard
- Marks, Nadia
- Marley, Rita
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- Marr, Andrew
- Marriott, Edward
- Marriott, Emma
- Marrs, John
- Marsay, Faye
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- Marsh, Jean
- Marshall, Andrew G.
- Marshall, Christine
- Marshall, Tony
- Marske, Freya
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- Martin, Glenn
- Martin, Nicholas
- Martin, Ruth
- Martin, Tom
- Martine, Arkady
- Martineck, Dani
- Martinez, Maddie
- Martinsky, Ondrej
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- Marx, Karl
- Marzano-Lesnevich, Alex
- Masen, Kat T.
- Masini, Beatrice
- Mason, Daniel
- Mason, Richard
- Massey, Anna
- Massey, Chloe
- Massie, Chris
- Massingberd, Hugh
- Massingham, H. J.
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- Masterton, Paula
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- Matheson, Tim
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- Matthews, Airea D.
- Matthews, Arthur
- Matthews, Mel
- Matthews, Michael D.
- Matthews, Spencer
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- Mavir, Heidi
- Maxwell, Glyn
- Maxwell, Kerry
- May Alcott, Louisa
- May, Julian
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- Maynard, Frances
- Mazzeo, Michael
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- McCabe, Patrick
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- McGovern, Steph
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- McGreevy, Rhianna
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- McInerney, Monica
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- McIntyre, Michael
- McKay, Alicia
- McKay, Hilary
- McKean, Kaley
- McKenzie, Nicolette
- McKenzie, Paige
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- McMahon, Aoife
- McMillen, Kim
- McMonagle, Alan
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- McNicoll, Elle
- McNish, Hollie
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- McRae, Hilton
- McTague, Tom
- McWilliams, David
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- Mead, Adam J.
- Mead, Corey
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- Melville, Herman
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- Merkel, Angela
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- Messner , Wolfgang
- Messner, Pratibha
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- Metcalf, Paula
- Meyer, Marissa
- Meyers, Max
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- Miller, Ben
- Miller, C L
- Miller, Lisa J
- Miller, Liz
- Miller, Rachel Wilkerson
- Mills, Mark
- Millwood Hargrave, Kiran
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- Mitchell, Margaret
- Mitchell, Mike
- Mitchell, Ro
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- Mizushima, Margaret
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- Moller, Violet
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- Moloney, Frank
- Monaghan, Alan
- Monbiot, George
- Monger, Billy
- Mongredien, Sue
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- Monroe, Jack
- Montebello, Kivlighan De
- Monteith, David
- Montgomery, David
- Montgomery, Flora
- Montgomery, L. M.
- Moon, Chris
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- Moore, Dylan
- Moore, Rowan
- Moore, Sarah
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- Morgan, Gaby
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- Morgan, Sally
- Morgan, Tiffany
- Morgan, Tim
- Moriarty, Jaclyn
- Morimoto, Kenji
- Morimoto, Shoji
- Morjaria, Hamish
- Morland, Paul
- Morland, Polly
- Morley, Karen
- Morpurgo, Michael
- Morr, Gemma
- Morris, Alex W.
- Morris, Cassandra
- Morris, Errol
- Morris, Jonathan
- Morris, Martha Clare
- Morrison, J.B.
- Morrison, James
- Morrison, Robbie
- Morrissey, Di
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- Mortimer, Maddie
- Morton, Eliza
- Morton, Elizabeth
- Morton, Euan
- Morton, Kate
- Moses, Brian
- Mosier, Leslie
- Moss, Emma
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- Mosse, Kate
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- Muller, Melissa
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- Mulraney, Adrian
- Mulvany, Kate
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- Mumford, Paul
- Munaweera, Nayomi
- Mundy, Alastair
- Murgia, Madhumita
- Murnane, Jessica
- Murphy, Clive
- Murphy, Glenn
- Murphy, Ian
- Murphy, Jill
- Murphy, Lorna
- Murphy, Nick Vincent
- Murphy, Nora
- Murphy, Stef
- Murphy, Tim
- Murray, Annie
- Murray, Gina
- Murray, J.F.
- Murray, Jo
- Murray, Lily
- Murray, Simon
- Murray, Steven T.
- Murray-Browne, Kate
- Murrell, Deborah
- Musil, Robert
- Mustapha, Precious
- Myers, Ben
- Myers, Ernest
- Myers, Harry
- Myers, Nneka