Naturalization Certificate Files (C-Files), September 27, 1906 to March 31, 1956 Alien Registration Forms (Form AR-2), August 1940 to March 1944 Visa Files, July 1, 1924 to March 31, 1944 Registry Files, March 1929 to March 31, 1944 A-Files, April 1, 1944 to May 1, 1951 […]