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New York, U.S., Naturalization Records, 1882-1944
Ancestry.com
Petitions for Naturalization From the U.S. District Court for the Southern District of New York, 1897-1944. NARA Microfilm Publication M1972, 1457 rolls. Records of District Courts of the United States, Record Group 21. The National Archives at Washington, D.C., U.S.A.