References

http://books.google.com/books?id=ccTmD3V7wFgC&pg=PA157&lpg=PA157&dq=tz%27utujil+maya+homeland&source=bl&ots=QUptndtZxH&sig=VhVsvYTso76_Ef6wXmb4A2RFG9U&hl=en&sa=X&ei=Dmr5UpyTK4H80wGrioHwDQ&ved=0CEoQ6AEwBA#v=onepage&q=tz'utujil%20maya%20homeland&f=false  

http://www.everyculture.com/Middle-America-Caribbean/Tz-utujil-History-and-Cultural-Relations.html

http://www.santiagoatitlan.com/ 

http://www.worldlakes.org/lakedetails.asp?lakeid=8522

http://globetrottergirls.com/2010/12/lake-atitlan-guatemala-villages/

http://geography.about.com/library/cia/blcguatemala.htm

http://www.culturalsurvival.org/