Sources:
http://www.chinahighlights.com/xian/terracotta-army/
http://www.travelchinaguide.com/attraction/shaanxi/xian/terra_cotta_army/
Tales of the Dead: Ancient China by Stewart Ross
http://news.nationalgeographic.com/news/2014/11/141114-terra-cotta-warriors-qin-shi-huang-tomb-china-archaeology/
http://science.nationalgeographic.com/science/archaeology/emperor-qin/
http://www.crystalinks.com/terracottarmy.html
http://www.chinadaily.com.cn/china/2010-09/09/content_11278335.htm
http://www.washingtonpost.com/national/health-science/chinese-terra-cotta-warriors-had-real-and-very-carefully-made-weapons/2012/11/26/999b9cb4-2840-11e2-b4e0-346287b7e56c_story.html
http://www.travelchinaguide.com/attraction/shaanxi/xian/terra_cotta_army/
Tales of the Dead: Ancient China by Stewart Ross
http://news.nationalgeographic.com/news/2014/11/141114-terra-cotta-warriors-qin-shi-huang-tomb-china-archaeology/
http://science.nationalgeographic.com/science/archaeology/emperor-qin/
http://www.crystalinks.com/terracottarmy.html
http://www.chinadaily.com.cn/china/2010-09/09/content_11278335.htm
http://www.washingtonpost.com/national/health-science/chinese-terra-cotta-warriors-had-real-and-very-carefully-made-weapons/2012/11/26/999b9cb4-2840-11e2-b4e0-346287b7e56c_story.html