Book IX Print 10: National congress of the Confederación de Trabajadores CubanosYale University. Department of Manuscripts and Archives1959engspaImages of the national congress of the Confederación de Trabajadores Cubanos [CTC], Cuba's largest labor union, held in November of 1959. Frames in the top four rows and bottom row of the sheet show Fidel Castro sitting at the front table on stage with Efigenio Ameijeiras to his right, Osmani Cienfuegos standing above Fidel and speaking in his ear, and David Salvador, Secretary General of the CTC until April of 1960 when his criticism of policies centralizing state control over unions led to his expulsion, initially on charges of corruption that later changed to accusations of counterrevolution. The man speaking before the microphone is an unidentified labor delegate. Frame 25 of the bottom row shows Violeta Casals, a famous radio-novela actress who lent her voice to the clandestine radio station known as Radio Rebelde during the war against Batista in the late 1950s. See also Contact Book 10.