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Subjects
- American National Red Cross.27
- Physicians27
- Sanitation27
- General Surgery25
- Naval Medicine25
- Health Workforce24
- Military Medicine -- education24
- Civil Defense23
- Equipment and Supplies23
- Red Cross22
- Weapons22
- History, 20th Century21
- United States. Army. American Expeditionary Forces21
- Combat Disorders20
- Persons with Disabilities -- rehabilitation20
- Public Health Administration20
- Orthopedics19
- United States Government Agencies19
- Adaptation, Physiological18
- Europe18