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Subjects
- American National Red Cross.27
- Sanitation26
- General Surgery25
- Naval Medicine25
- Military Medicine -- education24
- Physicians24
- Civil Defense23
- Equipment and Supplies23
- Health Workforce23
- Red Cross22
- Weapons22
- United States. Army. American Expeditionary Forces21
- Combat Disorders20
- Persons with Disabilities -- rehabilitation20
- History, 20th Century19
- Orthopedics19
- Adaptation, Physiological18
- Protective Clothing18
- Public Health Administration18
- United States Government Agencies18