Subject
- Medicine, Medieval1
- Medieval--Italy1
- Melanolophia Moth1
- Melanolophia species1
- Melittia cucurbitae1
- Menstruation1
- Metallata absumens1
- Mezuzah1
- Middle Atlantic States--Maps--Early works to 18001
- Milkweed Tussock Moth1
- Miracles--Early works to 18001
- Missals1
- Missals--Austria--Illustrations1
- Missals--Germany--Wurzburg--Illustrations1
- Missals--Germany--Würzrburg--Illustrations1
- Missals--Spain--Illustrations1
- Monarch1
- Monarch butterfly1
- Monarchy--Great Britain1
- Mournful Sphinx1