El Pais in English
For the 40 years of its existence, prisoners on death row, orphans, widows, exiles, the starving and the desperate all wrote thousands of letters to La Pirenaica, the radio station that provided the sole voice for those on the losing side of the Civil War. Many of the messages were lost, intercepted or for some other reason never reached the clandestine station, which was founded in Moscow in 1941. But more than 15,500, from around 33 countries, ended up at the Spanish Communist Party’s Historical Archive (AHPCE).
full article here