- A plan for a national currency1
- A plea for stability and permanence in institutions of learning: delivered before the trustees, officers and students of the Cleveland Medical College, February 26, 18451
- A plea of humanity in behalf of medical education: the annual address delivered before the New-York State Medical Society and members of the legislature at the capitol, February 6, 18491
- A policy analysis of access to post-acute rehabilitation services for people with acquired brain injury in Massachusetts and beyond1
- A popular essay on subjects of penal law, and on uninterrupted solitary confinement at labor, as contradistinguished to solitary confinement at night and joint labor by day, in a letter to John Bacon1
- A practical illustration of "Woman's Right to Labor", or, A letter from Marie E. Zakrzewska, M.D., late of Berlin, Prussia1
- A practical illustration of "Woman's right to labor," or, A letter from Marie E. Zakrzewska, M.D1
- A pragmatic trial of e-cigarettes, incentives, and drugs for smoking cessation1
- A preliminary catalogue of the parasites contained in the collections of the United States Bureau of Animal Industry, United States Army Medical Museum, Biological Department of the University of Pennsylvania (Coll. Leidy) and in Coll. Stiles and Coll. Hassall1
- A preliminary study of psychological and psychiatric observations of military personnel under natural conditions of severe cold, wind, and isolation: Fort Churchill experiment, 1947-19481
- A premium support system for Medicare: updated analysis of illustrative options1
- A primer on dual-eligible Californians: how people enrolled in both Medicare and Medi-Cal receive their care1
- A primer on residential care facilities for the elderly1
- A proclamation5
- A proclamation ... that martial law shall be no longer in force in Kentucky1
- A proclamation respecting soldiers absent without leave1
- A proclamation to suspend writ of habeus corpus, and establishing martial law in Kentucky1
- A proclamation: whereas it has become necessary to define the cases in which insurgent enemies are entitled to the benefits of the Proclamation of the President of the United States, which was made on the eighth day of December, 1863, and the manner in which they shall proceed to avail themselves of those benefits1
- A profile of Alabama’s low-wage uninsured workers1
- A profile of Florida’s low-wage uninsured workers1