- Medicine--Study and teaching1
- Medina Sidonia, Alonso Pérez de Guzmán, duque de, 1550-16191
- Medina Sidonia, Juan Alonso de Guzmán, Duque de, -15581
- Medina, Francisco de, 1544-16151
- Megilat Purim al Miṣriyin1
- Meistersinger1
- Melanchthon, Philip, 1497-1560. De officio principum1
- Mercy1
- Mexico1
- Mexico--Culhuacán1
- Middle East--Jerusalem (Latin Kingdom)1
- Middle East--Palestine1
- Miftāḥ al-ʻulūm (Sakkākī, Yūsuf ibn Abī Bakr)1
- Mineralogy1
- Miniature painting, Iranian1
- Mints1
- Miqdād ibn al-Aswad, 587-6551
- Miracles in literature1
- Mishnah. Yoma1
- Missions1