Subject
- Pittman, Key, 1872-1940.1
- Political science--United States--History--20th century.1
- Political science--United States.1
- Politicians--United States--In mass media.1
- Politicians.1
- Politics and culture--United States--History--20th century.1
- Politics and culture--United States.1
- Post office buildings.1
- Postage stamps--United States.1
- Postal service.1
- Poverty1
- Prenatal care1
- Prime ministers--Great Britain.1
- Pringle, Elizabeth W. Allston (Elizabeth Waties Allston), 1845-19211
- Pringle, John Julius, 1842-18761
- Printing presses.1
- Prohibition.1
- Red Cross and Red Crescent.1
- Religion and politics.1
- Reporters and reporting.1