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Subjects
- Abattoirs4
- Abattoirs -- legislation & jurisprudence1
- Abdominal Neoplasms -- surgery1
- Academies and Institutes2
- Academies and Institutes -- history1
- Academies and Institutes -- organization & administration1
- Academy of Natural Sciences of Philadelphia.4
- Acromegaly1
- Administration, Cutaneous1
- Administrative Personnel2
- Adolescent1
- Agnew, D. Hayes (David Hayes), 1818-1892.1
- Alms-House (Philadelphia, Pa.)1
- Almshouses -- standards1
- American Civil War1
- American Medical Association.2
- American Philosophical Society.1
- American Public Health Association.1
- American Society for the Extension of University Teaching.1
- Analgesics, Opioid -- therapeutic use1