AP Government Review Materials
http://www.shaker.org/Downloads/AP%20Government%20-%20Review%20Packet.pdf
http://blog.prepscholar.com/ap-government-notes
http://www.sparknotes.com/us-government-and-politics/
http://www.allhallows.org/ourpages/auto/2012/9/7/60346251/The%20Ultimate%20Student_s%20Guide%20to%20AP%20US%20Government.pdf