Subjects
- Medicine -- Russia -- History -- 19th century1
- Medicine -- Study and teaching -- Pennsylvania -- Philadelphia1
- Medicine -- United States -- History1
- Mental illness -- Treatment -- United States -- History -- 19th century1
- Mentally ill -- Commitment and detention -- United States -- History -- 19th century1
- Mercury1
- Midwives -- United States -- History -- 18th Century1
- Missionaries -- Africa -- Biography1
- Missionaries -- Africa -- Diaries1
- Missionaries -- Africa, Southern -- Biography1
- Missionaries -- South Africa -- 19th century1
- Missionaries -- South Africa -- Biography1
- Missionaries -- Zimbabwe -- Biography1
- Missionary settlements1
- Missions -- Africa -- 19th century1
- Missions -- Africa, Southern1
- Missions -- Africa, Sub-Saharan1
- Missions -- Rhodesia1
- Missions -- Zimbabwe1
- Monetary policy -- United States -- History -- 18th Century1