 The "Antikvarisk-topografiska arkivet" (ATA) ("Antiquarian Topographic Archive") and the Royal Swedish Academy of Letters, History and Antiquities' Library are also part of the National Heritage Board.These departments are housed in the Eastern Stable opposite the main office building in Stockholm.The functions of the Academy of Letters, History and Antiquities and the National Heritage Board were separated in 1975 while they were still under the aegis under the newly formed government agency the "National Heritage Board and National Historical Museums".