PinYin Conversion
http://abc.iis.sinica.edu.tw/tp/howtolearn3.htm (Tong-Yuan pin-yin Introduction)
http://www.ca.taipei.gov.tw/road_1.htm
http://www.chinesewaytogo.org/waytogo/tool/pinyinlist.htm
http://www.etaiwannews.com/Taiwan_Languages/2001/07/31/996574924.htm
http://taup.yam.org.tw/comm/comm0002/t012.htm
http://lst.ling.nthu.edu.tw/Roman.doc (5 method cross reference)