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2. Racial Naturalization
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4. “The Naturalization of Alien Seamen”;Cushman J.;Lecture, May 6, 1943, File 165/253A, Records of the Immigration and Naturalization Service (Record Group 85), National Archives and Records Administration, Washington, D.C.
5. Daniels, R. 2004. Guarding the Golden Door: American Immigration Policy and Immigrants Since 1882. New York: Hill and Wang.