United States, Texas, Laredo, Index ng mga Manifesto ng mga Dumarating na Permanente at Estadistikal na Dayuhan, Disyembre 1929-Abril 1955

"United States, Texas, Laredo, Index to Manifests of Permanent and Statistical Alien Arrivals, Dec 1929-Apr 1955." Database. FamilySearch. https://FamilySearch.org : 26 April 2025. Citing Index to Manifests of Permanent and Statistical Alien Arrivals at Laredo, Texas, December 1929-April 1955 , Records of U.S. Citizenship and Immigration Services, 2003 - 2004, Washington, D.C.: National Archives and Records Administration, n.d.