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Record Name
U.S., Naturalization Record Indexes, 1791-1992 (Indexed in World Archives Project)	148
New York, U.S., State and Federal Naturalization Records, 1794-1943	141
California, U.S., Federal Naturalization Records, 1888-1991	127
Rio de Janeiro, Brazil, Immigration Cards, 1900-1965	116
Massachusetts, U.S., State and Federal Naturalization Records, 1798-1950	100
Illinois, U.S., Federal Naturalization Records, 1856-1991	65
U.S., Naturalization Records Indexes, 1794-1995	64
Texas, U.S., Naturalization Records, 1852-1991	41
Alsace-Lorraine, Germany, French Citizenship Declarations (Optants), 1872	40
New York, U.S., Index to Petitions for Naturalization filed in New York City, 1792-1989	34
Washington, U.S., Petitions for Naturalization, 1860-1991	34
U.S., Index to Alien Case Files,1944-2003	29
Florida, U.S., Naturalization Records, 1847-1995	28
Montana, U.S., Federal Naturalization Records, 1870-1999	27
North Dakota, U.S., Naturalizations, 1873-1952	25
U.S., Naturalization Records, 1840-1957	25
New York, U.S., Naturalization Records, 1882-1944	24
Ohio, U.S., County Naturalization Records, 1800-1977	24
Pennsylvania, U.S., Federal Naturalization Records, 1795-1945	21
U.S., Subject Index to Correspondence and Case Files of the Immigration and Naturalization Service, 1903-1959	21