Places
- Marple (Pa.: Township)1
- Maryland.1
- Massachusetts--Commerce.1
- Massachusetts--History--Revolution, 1775-1783.1
- Maurepas, Lake.1
- Mexico--History--16th century.1
- Mexico--History--17th century.1
- Mexico--History--1810-.1
- Mexico--History--1821-1862.1
- Mexico--History--Spanish colony, 1540-1810.1
- Michigan -- Social life and customs -- 1851-1860.1
- Michigan -- Social life and customs -- 1861-1870.1
- Michigan -- Social life and customs -- 1871-1880.1
- Michigan -- Social life and customs -- 1881-1890.1
- Michigan -- Social life and customs -- 19th century.1
- Michigan, Lake.1
- Michigan--History--19th century.1
- Michigan--History--20th century.1
- Mississippi River.1
- Mobile (Ala.)1