Ancestry.com
Philadelphia, Pennsylvania, U.S., Immigration Records, Special Boards of Inquiry, 1893-1909
Ancestry.com
Department of Commerce and Labor, Bureau of Immigration and Naturalization. Records of the Special Boards of Inquiry, District No. 4 (Philadelphia), Immigration and Naturalization Service, 1893–1909. Microfilm Series M1500, 18 rolls. NAID: 567441. Records of the Immigration and Naturalization Service, 1787–2004. Record group 85. National Archives at Philadelphia, PA.