Name
- Linton, William James, engraver poet and political reformer1
- Longmans, Green and Co, publishers1
- Lowell, James Russell, American author and diplomatist1
- Lubbock, Percy, author1
- Mackail, John William, OM 19351
- Maggs Bros, antiquarian booksellers, London, 1853-1
- Manning, Henry Edward, Cardinal, RC Archbishop of Westminster1
- Marshall, John, FRS, FRCS, anatomist1
- Martÿi, Orlando, Italian politician, fl 18861
- Mendeleev, Dmitry Ivanovich, Russian chemist1
- Mesa, José1
- Michel, L., French socialist(?)1
- Morgan, Evelyn, painter, 1855-19191
- Morgan, William Frend, potter, designer and writer, 1839-19171
- Morley, John, Viscount Morley of Blackburn, statesman, 1838-19231
- Morris, Arthur, Colonel; of Add MS 453471
- Morris, Jane, embroiderer and artist's model, wife of William Morris, 1839-19141
- Morris, Mary, designer and craftswoman, called May, 1862-19381
- Murray, Charles Fairfax, book collector, 1849-19191
- Newdigate, Bernard Henry, publisher1