Jalur Sutra Maritim Zaman Kuno (1)

http://en.unesco.org/silkroad/network-silk-road-cities-map-app/en

http://www.silkroutes.net/orient/mapssilkroutestrade.htm

http://www.ancient.eu/Silk_Road/

http://www.baike.com/wiki/%E6%B5%B7%E4%B8%8A%E4%B8%9D%E7%BB%B8%E4%B9%8B%E8%B7%AF

https://depts.washington.edu/silkroad/texts/hhshu/hou_han_shu.html

http://www.guoxue.com/shibu/24shi/hansu/hsu_039.htm

http://baike.baidu.com/view/251646.htm

http://pan.baidu.com/share/link?uk=137832388&shareid=1818865857&third=0&adapt=pc&fr=ftw

http://pan.baidu.com/share/link?uk=137832388&shareid=1818865857&third=0&adapt=pc&fr=ftw

http://precolumbianoceanictravel.weebly.com/chinese-exploration-the-journey-of-zheng-he-and-others.html

http://www.duguoxue.com/ershisishi/5048.html