Subjects
- Letters (correspondence)2
- Mentally ill--Care1
- Merchant mariners--United States--History--19th century1
- Merchants--Massachusetts1
- Merchants--New York (N.Y.)1
- Minutes2
- Missionaries--United States--19th century1
- Missions, American--China--19th century1
- Missions--China--19th century1
- Newspapers1
- Notebooks1
- Parishes--Virginia1
- Patents1
- Photographs2
- Photostats1