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Authors
- Pavcek, Paul L., author1
- Payot, Jules, 1859-1940 author1
- Payot, Jules, 1859-1940, author1
- Peabody, Robert Swain, 1845-1917 author1
- Pearce, R. G. (Roy Gentry), 1884-1960 author2
- Pearl, Raymond, 1879-1940 author2
- Pearl, Raymond, 1879-1940, author1
- Peeso, Frederic A. (Frederic Austin) author1
- Peirce, George James, 1868-1954, author1
- Pelouze, P. S. (Percy Starr), 1876-1
- Pennsylvania Post-War Planning Commission author.1
- Pennsylvania State Board of Examiners for Registration of Nurses, author.1
- Pennsylvania, enacting jurisdiction.2
- Pennsylvania. Bureau of Research & Statistics, author.1
- Pennsylvania. Department of Health, author.10
- Pennsylvania. Department of Health. Bureau of Drug Control.1
- Pennsylvania. Department of Health. Division of School Health, author, issuing body.1
- Pennsylvania. Department of Public Instruction. Bureau of Professional Licensing, author.1
- Pennsylvania. State Board of Medical Education and Licensure author.1
- Pepper, William, 1874-1947, author1