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- Pennsylvania Hospital (Philadelphia, Pa.)1
- Pennsylvania, enacting jurisdiction.5
- Pennsylvania.7
- Pennsylvania. Department of Health, compiler.1
- Pennsylvania. Department of Health. Bureau of Drug Control.1
- Pennsylvania. General Assembly.1
- Pennsylvania. General Assembly. House of Representatives.1
- Pennsylvania. State Quarantine Board.1
- Peru, enacting jurisdiction.1
- Peru. Dirección de Salubridad Pública, author.1
- Peru. Servicio de Vacunación y Revacunación Antivariólicas, author.1
- Philadelphia (Pa.). Board of Health, issuing body.1
- Philadelphia (Pa.). Board of Health.1
- Philadelphia (Pa.). Board of Health. Sanitary Committee.1
- Philadelphia (Pa.). Department of Public Health and Charities, compiler.1
- Portugal.1
- Princeton (N.J. : Borough). Board of Health.1
- Providence (R.I.). Board of Aldermen, author.1
- Providence (R.I.). Board of Health, author.1
- Providence (R.I.). City Council, author.1