Subjects
- Medicine7
- Microscopy1
- Military Facilities1
- Military Medicine4
- Military Personnel2
- Mississippi4
- Mississippi -- epidemiology1
- Missouri1
- Mortality1
- Mortuary Practice1
- National Board of Health (U.S.)1
- National Board of Health (U.S.). Havana Yellow Fever Commission (1880-1882)1
- Naval Medicine1
- New Orleans11
- New Orleans -- epidemiology1
- New York1
- New York (N.Y.). Board of Health.1
- New York City7
- New York City -- epidemiology2
- Nurses1