• 数字村庄/ Contemporary Chinese Village Gazetteer Data
• 四川档案
• 中国第一历史档案馆
• 中国第二历史档案馆
• 內閣大庫檔案 /Grand Secretariat Archives
  The database allows keyword searching for responsible official, title, matter and document number. It contains over 4,000 Ming(1368-1644) documents and more than 300,000 volumes of Ch’ing (1644-1911) archival materials.