Gap of the Golden Gate in Winter, Yellowstone National Park, Wyo., circa 1892-1939

The Keystone View Co. Stereoview Collection consists of 557 stereoviews separated into three boxes.

Series I: PP311.P5 - .P300

This series consists of stereoviews of cities and towns in the United States of America, along with a few cities in Europe.

Series II: PP311.1 - .592

This series consists of images of locations in states in the U.S. most notably Massachusetts, Washington, D.C., Texas, Ohio, and Minnesota; South American countries, most notably Mexico, Cuba, and Brazil; European countries, prominently England, the Netherlands, France, Switzerland, and Austria-Hungary; Asian countries including China, Japan, and India; African countries, most notably Egypt and South Africa; and Oceanic countries Australia, Tasmania, New Zealand and New Guinea.