They were found in an abandoned wing of the Air Force headquarters.

The files contain the transcripts of all meetings held by the military junta, which ruled the country from 1976 to 1983, said Defence Minister Agustin Rossi. The documents also name famous artists and intellectuals who were blacklisted. Folk singer Mercedes Sosa, writer Julio Cortazar, tango musician Osvaldo Pugliese and actress Norma Aleandro are among many banned or subjected to censorship for opposing the government.