Theatre program for Israel Zangwill's 1908 play The Melting Pot.

A placard marking the Chicago site of the 1886 Haymarket Riot as a National Historical Landmark has been reclaimed by modern-day anarchist admirers of the so-called Haymarket Martyrs.

Poet Emma Lazarus, author of the famous poem "The New Colossus," which was engraved inside the pedestal of the Statue of Liberty in 1903.

Contemporary engraving of the 1886 Haymarket Riot.

American Communist leaders, including Eugene Dennis, Benjamin Davis, and William Z. Foster, leave the courthouse during their 1948 Smith Act trial.

The famous immigration station on Ellis Island, New York Harbor.

Immigrants sail past the Statue of Liberty as they near arrival in New York.

Newly-arrived European immigrants wait in Ellis Island's Great Hall for inspection and processing.