LNM
- McNaught, W. G., [187]–190, [257]–258
- Mair, G. H., [62], [69], [70]
- Malet, Lucas, [123]
- Manchester Guardian, [11], [34], [38], [48], [58], [65]–66, [75], [154]–160, [191], [209]–210
- Marchesi, Blanche, [48]
- “Marmaduke,” [268]
- Marriott, Charles, [134]–135
- Marriott, Ernest, [56], [202]–203
- Marx, Karl, [15]
- Masefield, John, [73]–76, [95]–97, [201], [209]
- Maude, Cyril, [60]
- Mead, G. R. S., [90]
- Mendelssohn, F., [198], [233]
- Meredith, George, [38], [128], [267], [268]
- Middleton, Richard, [40]
- Milne, A. A., [77], [268]
- Monkhouse, Allan, [33], [65], [157], [210]
- Monro, Harold, [73]–74
- Montague, C. E., [63], [157], [210]
- Moore, George, [13], [17], [20]–21
- Morley, Lord, [268]
- Morris, William, [18]
- Morrow, Edwin, [139], [168], [172], [239], [241]–242
- Morrow, Norman, [139], [168], [172]–173, [239]–243
- Mudie, W. H., [56], [65]
- Mullings, Frank, [179]–181
- Murger, H., [173]