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The Brooklyn Bridge In New York City, 1883

Steel Workers Pouring Molten Steel At A Pennsylvania Plant

Skyscraper In New York City

Andrew Carnegie Surrounded By Fellow Businessmen

Pennsylvania Oil Field

John D. Rockefeller

Railroad Outside Chicago, Illinois

Political Cartoon Of Corneilus Vanderbilt

Cartoon Of Large Trusts Overseeing The Work Of The U.S. Senate

Workers’ Housing In Homestead, Pennsylvania

Steel Workers In Homestead, Pennsylvania

Coal Miners In Pennsylvania

Lawrence, Massachusetts Textile Worker On Strike In 1912

Strikers Held Back By Soldiers In Lawrence, Massachusetts