http://pasture.ecn.purdue.edu/~agenhtml/agenmc/china/scengw.html#sfc00

http://zinnia.umfacad.maine.edu/~mshea/China/great.html

http://www.enchantedlearning.com/subjects/greatwall/

http://tlc.discovery.com/tlcpages/greatwall/tunein.html

http://bizweb.kermantel.net/cent/china.html

http://www.netwizards.net/~burgess/china/1999/beijing/wall/index.htm

http://www.asterius.com/china/china2.asp

http://www.kn.pacbell.com/wired/China/chinahunt.html#questions

http://www.china5k.com/ (Timeline)

http://loki.stockton.edu/~gilmorew/consorti/2feasia.htm

http://www.wsu.edu:8080/~dee/MING/MING.HTM

http://www-chaos.umd.edu/history/toc.html

http://omart.org/itoc/time/qindynasty.html

http://members.chello.se/henrik.hakans/China/Chinalinks.htm