Subjects
- Mental Disorders -- epidemiology1
- Microscopy1
- Military Hygiene1
- Mineral Waters1
- Mite Infestations1
- Mites -- parasitology1
- Nervous System Diseases -- epidemiology1
- Organizations1
- Patents as Topic1
- Pharmaceutical Solutions1
- Pharmacopoeia of the United States of America1
- Philadelphia1
- Plants, Medicinal1
- Polyuria1
- Quarantine1
- Quarantine -- legislation & jurisprudence1
- Railroads1
- Sanitary Engineering1
- Sanitation1
- Schools1