Texas Education Agency Pre-Kindergarten Standards for 4 year olds. http://www.tea.state.tx.us/curriculum/early/prekguide.html
High/Scope Pre-school Site http://www.highscope.org/Content.asp?ContentId=63
High/Scope and Autism Spectrum Disorder http://www.highscope.org/file/EducationalPrograms/EarlyChildhood/AutismResSpr04.pdf
STAR Program http://www.starautismprogram.com/pages/STAR_program.html?mode=product_detail&id=11210
Round Rock ISD Calendar 2008-2009 http://www.roundrockisd.org/docs/rrisd_calendar.pdf