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