Grand Secretariat Archives is a database that contains documents originally housed in the storerooms of the Grand Secretariat of the Qing dynasty (1644-1912). After 1949 these documents were kept at the Institute of History and Philology of Academia Sinica. The entire archive contains about 310,000 items. The collection, dating from the Ming dynasty to the Qing dynasty (1368-1912), encompasses a wide variety of subjects. For full content coverage, see "Grand Secretariat Archives - Inventory and History of Preservation". Also, portions of the archives had been published under title: Ming Qing dang an.