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Subjects
- Pathologic Processes30
- Philadelphia30
- Bacterial Physiological Phenomena29
- Equipment and Supplies29
- Sanitation -- legislation & jurisprudence29
- Tuberculosis, Pulmonary29
- Eugenics28
- First Aid28
- Marriage28
- United States. Army. Medical Department28
- American National Red Cross.27
- Sexually Transmitted Diseases -- prevention & control27
- Tuberculosis, Pulmonary -- prevention & control27
- Nutritional Physiological Phenomena26
- District of Columbia25
- Tuberculosis, Pulmonary -- therapy25
- Exercise24
- Health Education24
- Relief Work24
- United States. Army24