Pinto, Rafael. 295Apuntaciones para la Hist. de California: Bancroft Coll.

Poinsett, Joel R. 296Papers: Pennsylvania Hist. Soc.

Polk, James K. 297Papers: Library of Congress (including the Polk papers examined by the author at the Chicago Hist. Soc.).

Porter, Andrew. 298Papers: Major John Biddle Porter.

Posey, Carnot. 299Letters: Dr. Walter L. Fleming.

Pricket, John A. 300Letters.

Primer Battn. Activo de Oaxaca. 301Libro de Servicios: Rhode Island Hist. Soc.

Puryear, J. F. 302Document.

Quitman, John A. 303Papers: in possession of the family.

Quitman, John A. 304Papers in the Claiborne Papers.