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Subjects
- Abattoirs -- legislation & jurisprudence1
- Acetic Acid1
- Achievement1
- Administrative Personnel1
- Air Pollution -- legislation & jurisprudence1
- Air Pollution -- prevention & control1
- Aircraft -- legislation & jurisprudence1
- Alabama3
- Albany (N.Y.). Board of Health1
- Alberta1
- Alcoholic Beverages2
- Almshouses1
- Almshouses -- legislation & jurisprudence1
- American Civil War52
- American Revolution1
- Animal Experimentation -- legislation & jurisprudence1
- Animal Welfare -- legislation & jurisprudence1
- Annual Reports as Topic1
- Antitoxins2
- Architecture1