Has both pro-rights and anti-rights academic research by folks such as John Lott, David Kopel, others. For example search for the word "gun" or the author's name. You can also find full articles by their abstract number, such as Lott's "Multiple Victim Public Shootings, Bombings, and Right-to-Carry Concealed Handgun Laws: Contrasting Private and Public Law Enforcement" and "Safe Storage Gun Laws: Accidental Deaths, Suicides, and Crime"
Other papers exist online only as brief abstracts such as "Criminal Deterrence, Geographic Spillovers, and Right-to-Carry Concealed Handguns" which previews some of the reasearch in his widely cited and controversial book More Guns, Less Crime.