There are a number of different websites put together by individuals who support the right to bear arms. It's often difficult to figure out who the actual writer is, and whether their facts are correct.
Still, I thought it would be valuable to share some of these with you to give a sense of what people believe.
The Second Amendment Under Fire: The Uses of History and the Politics of Gun Control by Saul Cornell, Associate Professor, Department of History, The Ohio State University
Cornell explores A Well-Regulated Militia on C-SPAN
The Embarrassing Second Amendment by Sanford Levinson, University of Texas at Austin School of Law
After Tucson Shootings, NRA Again Shows Its Strength by NPR Staff - this includes an interview with Robert Spitzer, political science professor at SUNY Cortland, who has authored 13 books and hundreds of articles on American government and the Second Amendment.
Professor Cass Sunstein, University of Chicago Law School, explores the Second Amendment