New Zealand Ban on Most Semiautomatic Weapons Takes Effect - The New York Times
Semi-automatic rifles
Evolution of Semi-Automatic Weapons
Experimental semi-automatic rifles, 1919-1931- excluding Garand's and Pedersen's rifles - Springfield Armory National Historic Site (U.S. National Park Service)
Semi-Automatic Pistol
Assault weapons, semi-automatic rifles and the AR-15: Defining the debate - pennlive.com