The Holt Labor Library is a labor and radical history library that serves the labor, academic, and activist communities. The library is located in San Francisco and is open to the public.
Keywords: Ludlow Massacre, Mother Jones, coal mine strikes, Colorado history, United Mine Workers of America, library, libraries, archive, archives, labor, labour, Labor Law, legal, law, legal research, employment law, information union, unions, trade unions, labor unions, labour unions, etc
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