The TCM article is pretty interesting to me
http://www.tcm.com/this-month/articl...My-Little-Girl
It sounds like the book it was based on was even more anti-sorority than the movie does (and that appears to be saying something) with the book specifically dealing with the fact that the sororities having racial and religious prejudices.
A comment on the book is at
http://books.google.com/books?id=fDG...A159&lpg=PA159
And then there is
http://www.jeffreyhunter.net/NewSite...tories0751.pdf
Which seems to be related to the movie, but mentions jews/catholics in a way I'm not sure the movie did...