Tamiment Library and Robert F. Wagner Archives
The Tamiment Library is a research library at New York University that documents radical and left history, with strengths in the histories of communism, socialism, anarchism, the New Left, the Civil Rights Movement, and utopian experiments. The Robert F. Wagner Archives, which is also housed in Bobst Library at NYU, documents American labor history.
Source: Wikipedia — Tamiment Library and Robert F. Wagner Archives (CC BY-SA 4.0)