Title: El cinturón rojinegro
Subjects: Social conditions, Anarcho-syndicalism, Confederación nacional del trabajo (Spain), Workers, Congresses, History, Labor unions, Labor movement, Radicalism, Radicals, Anarchism, Anarchists, Syndicalism, Working class, Political activity, Politics and government, Confederación Nacional del Trabajo (Spain)
Places: Spain, Barcelona (Spain)
Time periods: 1886-1939