Creator
- Maranta, Bartolomeo, -15711
- Marcantonio Olmo1
- Marcet, Alexander, 1770-18221
- Marcet, Mrs. (Jane Haldimand), 1769-18581
- Marette, Guillaume1
- Marshall, William, active 1617-16501
- Martini, Martino, 1614-16611
- Martyn, J.40
- Mayow, John, 1641-16791
- Meidinger, Karl Freyherrn Von1
- Meldola, Raphael, 1849-19151
- Mendeleyev, Dmitry Ivanovich, 1834-19073
- Mercati, Michele, 1541-15931
- Merian, M.1
- Merian, Matthaeus, 1593-165053
- Meurs, Jacob van, 1619-168022
- Milton20
- Moseley, Humphrey, -16611
- Muspratt, Sheridan, 1821-18712
- Mynde, James1