Ancestry.com, Border Crossings: From Canada to U.S., 1895-1954 (Webbpublikation - Provo, UT, USA: Ancestry.com Operations, Inc., 2010.Originaldata - Records of the Immigration and Naturalization Service, RG 85. Washington, D.C.: National Archives and Records Administration. See Full Source Citations.Originaldata: Recor)



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