Title: Blas Roca, continuador de la obra de Baliño y Mella
Subjects: Communists, Communism, Political and social views, Sources, Socialism, Economic conditions, Biography, History
Places: Cuba
People: Carlos Baliño (1848-1926), Julio Antonio Mella (1903-1929), Blas Roca Calderío
Time periods: 1918-1959