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Record Name
U.S., Naturalization Record Indexes, 1791-1992 (Indexed in World Archives Project)	504
Illinois, U.S., Federal Naturalization Records, 1856-1991	439
New York, U.S., State and Federal Naturalization Records, 1794-1943	395
Massachusetts, U.S., State and Federal Naturalization Records, 1798-1950	387
California, U.S., Federal Naturalization Records, 1888-1991	289
U.S., Naturalization Records, 1840-1957	236
Web: Minnesota, U.S., Naturalization Index, 1849-1985	194
Rio de Janeiro, Brazil, Immigration Cards, 1900-1965	185
U.S., Naturalization Records Indexes, 1794-1995	179
New York, U.S., Index to Petitions for Naturalization filed in New York City, 1792-1989	107
Minnesota, U.S., Naturalization Records Index, 1854-1957	102
New York, U.S., Naturalization Records, 1882-1944	97
U.S., Index to Alien Case Files,1944-2003	97
Florida, U.S., Naturalization Records, 1847-1995	76
Pennsylvania, U.S., Federal Naturalization Records, 1795-1945	67
Texas, U.S., Naturalization Records, 1852-1991	61
Washington, U.S., Petitions for Naturalization, 1860-1991	53
Michigan, U.S., Federal Naturalization Records, 1887-1931	47
New Zealand, Naturalisations, 1843-1981	46
U.S., Applications for Seaman's Protection Certificates, 1916-1940	44