http://www.cal.org/ericcll/faqs/rgos/bi.html
This site is a veritable library of research on the history, policy, and current publications about bilingual education.  An expansive listing of publication of books and other print media is also included.
 

History of Bilingual Education
This brief article from "Rethinking Schools, an Urban Educational Journal," provides a concise overview of the history of bilingual education legislation in the United States.