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Record Name
Florida, U.S., Naturalization Records, 1847-1995	1,564
New York, U.S., State and Federal Naturalization Records, 1794-1943	1,015
U.S., Naturalization Record Indexes, 1791-1992 (Indexed in World Archives Project)	663
Rio de Janeiro, Brazil, Immigration Cards, 1900-1965	583
Illinois, U.S., Federal Naturalization Records, 1856-1991	513
California, U.S., Federal Naturalization Records, 1888-1991	339
New York, U.S., Index to Petitions for Naturalization filed in New York City, 1792-1989	321
U.S., Index to Alien Case Files,1944-2003	311
Alsace-Lorraine, Germany, French Citizenship Declarations (Optants), 1872	306
New York, U.S., Naturalization Records, 1882-1944	255
U.S., Naturalization Records Indexes, 1794-1995	231
U.S., Naturalization Records, 1840-1957	152
Pennsylvania, U.S., Federal Naturalization Records, 1795-1945	151
Puerto Rico, U.S., Federal Naturalization Records, 1897-1985	136
Ohio, U.S., Naturalization Petition and Record Books, 1888-1946	104
Massachusetts, U.S., State and Federal Naturalization Records, 1798-1950	102
Texas, U.S., Naturalization Records, 1852-1991	100
Ohio, U.S., County Naturalization Records, 1800-1977	96
Halle, Germany, Census and Citizen Lists, 1400-1915	92
U.S., Applications for Seaman's Protection Certificates, 1916-1940	74