Subjects: history
- Military hospitals -- Washington (D.C.) -- History -- 19th century
- Military nursing -- United States -- History -- 19th century
- Mindanao Island (Philippines) -- History
- Mine pumps -- History
- Mineral industries -- England -- History -- To 1500
- Mineral industries -- Nevada -- History
- Mines and mineral resources -- Nevada -- History
- Mining camps -- California -- History
- Mining machinery -- History
- Minnesota -- History
- Minnesota -- History -- Civil War, 1861-1865 -- Regimental histories
- Minnesota -- History -- Fiction
- Minnesota -- History, Local
- Minnesota -- History -- To 1858
- Minnesota State Prison (Stillwater, Minn.) -- History
- Minorca (Spain) -- History -- Invasions
- Mints -- United States -- History
- Missions -- California -- History
- Missions -- History -- 19th century
- Missions, Spanish -- California -- History
- Mississippi -- History
- Mississippi River -- History -- Civil War, 1861-1865
- Mississippi River -- History -- Civil War, 1861-1865 -- Juvenile fiction
- Mississippi River Valley -- History
- Mississippi River Valley -- History -- 1803-1865
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