http://www.britishmuseum.org/explore/themes/leaders_and_rulers/qin_shihuangdi.aspx
https://simple.wikipedia.org/wiki/Terracotta_Army
http://www.chinahighlights.com/xian/terracotta-army/
https://sites.google.com/a/email.cpcc.edu/qin-shi-huangdi-china-s-first-emperor/timeline
Ancient China David Williams
https://www.boundless.com/world-history/textbooks/boundless-world-history-i-ancient-1600-textbook/china-s-classical-age-7/unification-under-the-qin-dynasty-221-206
https://simple.wikipedia.org/wiki/Terracotta_Army
http://www.chinahighlights.com/xian/terracotta-army/
https://sites.google.com/a/email.cpcc.edu/qin-shi-huangdi-china-s-first-emperor/timeline
Ancient China David Williams
https://www.boundless.com/world-history/textbooks/boundless-world-history-i-ancient-1600-textbook/china-s-classical-age-7/unification-under-the-qin-dynasty-221-206