http://www.mathpodcast.com/videos/Algebra/9B3FBE18-ACF3-4511-9249-BD16BBC474D4_files/Algebra-Introduction_to_Algebra-1.m4v Introduction to Algebra http://www.mathpodcast.com/videos/Algebra/9B3FBE18-ACF3-4511-9249-BD16BBC474D4.html 2007-09-20 http://www.odeo.com/uploads/0014/8339/serial_2116131_medium.png