http://www.csub.edu/~sbetty/
http://project2000.ca/shekinah/Ruah/world%20religions/Hinduism/hinduism.htm
http://www.tsemrinpoche.com/
http://www.st-nicholas.lancs.sch.uk/index.php?category_id=100
http://islam.about.com/b/2003/12/09/crescent-moon-symbol.htm
http://resourcesforhistoryteachers.wikispaces.com/G1.9