BIBLIOGRAPHY

https://www.smithsonianmag.com/history/discovery-secret-tunnel-mexico-solve-mysteries-teotihuacan-180959070/

https://en.wikipedia.org/wiki/Tlaxcala

http://www.houstonculture.org/mexico/tlaxcala.html

http://www.aztec-history.com/aztec-empire.html

http://www.latinamericanstudies.org/aztecs/aztec_human_sacrifice.pdf

http://rubens.anu.edu.au/raid1/student_projects97/aztec/ACosWorldView.html/World1a.html

https://en.wikipedia.org/wiki/Spanish_conquest_of_the_Aztec_Empire

http://aztecsandtenochtitlan.com/aztec-names/aztec-boys-names/

http://mexicounexplained.com/three-martyred-children-tlaxcala/

https://www.thoughtco.com/hernan-cortes-and-his-tlaxcalan-allies-2136523

http://www.cs.cmu.edu/~kvs/heraldry/spanish16/male-given-alpha.html

http://www.cs.cmu.edu/~kvs/heraldry/spanish16/

http://www.bcmj.org/premise/history-bloodletting#4

History of Mercury

http://www.dartmouth.edu/~toxmetal/mercury/history.html

https://www.rt.com/news/252985-mexican-tomb-king-mercury/

http://www.dailymail.co.uk/news/article-3054296/Hunt-ancient-royal-tomb-Mexico-takes-mercurial-twist.html

https://www.history.com/news/7-unusual-ancient-medical-techniques