Subjects
- Equipment and Supplies22
- Weapons22
- Military Nursing21
- Sanitation21
- United States. Army. American Expeditionary Forces.21
- Civil Defense20
- Combat Disorders20
- Disabled Persons -- rehabilitation20
- Orthopedics19
- Adaptation, Physiological18
- Hospital, Military18
- Protective Clothing18
- Ventilation18
- Medicine17
- San Francisco17
- Ambulances16
- American National Red Cross.16
- Europe16
- United States Government Agencies16
- Hot Temperature15