Subjects
- Piankeshaw Indians.1
- Postal service.1
- Potawatomi Indians.1
- Presidents--United States--Election--1844.1
- Presidents--United States--Election--1848.1
- Presidents--United States--Election--1852.1
- Prices--California--San Francisco.1
- Prices--New York (State)--New York.1
- Prostitution--California--San Francisco.1
- Railroad trains--United States--Colorado--1880-1910.1
- Reconstruction (U.S. history, 1865-1877)1
- Redwoods--California--1880-1910.1
- Religious institutions--California--San Francisco Bay Area--History--19th century.1
- Religious institutions--New York (State)--New York--History--19th century.1
- Rural areas--United States--1910-1920.1
- Scenic overlooks--United States--1880-1910.1
- Secession--Southern States.1
- Shawnee Indians.1
- Slavery--United States.1
- Spirit photography.1