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Subjects
- Paleontology1
- Patents as Topic1
- Pennsylvania Hospital (Philadelphia, Pa.).1
- Periodicals as Topic1
- Persons With Hearing Impairments -- statistics & numerical data1
- Pharmaceutical Preparations9
- Pharmacology4
- Pharmacopoeias as Topic4
- Physical Examination2
- Physicians9
- Physiological Phenomena1
- Phytotherapy10
- Plague1
- Plants4
- Plants -- classification1
- Plants, Medicinal17
- Politics3
- Priestley, Joseph, 1733-1804.1
- Pringle, John, Sir, 1707-1782.2
- Prisoners3