Da Qing guo shi ren wu lie zhuan ji shi guan dang chuan bao chuan go zi liao ku 大清國史人物列傳及史館檔傳包傳稿資料庫 (Database of Biographical Materials of Ch’ing Historical Figures and Biographical Packets and Drafts from the Archives of the Ch’ing Historiography Institute) [Now publicly accessible, integrated in 清代檔案檢索系統 National Palace Museum Digital Library of Qing Archives]
Oracle Bones 甲骨文 (Oracle Bone Collections of Columbia University and Princeton University) [Note: hosted by Zhejiang University Library, access may be problematic]