Dixon, R. P. (1994). Index to seamen's protection certificate applications, Port of Philadelphia, 1824-1861: Record group 36, Records of the Bureau of Customs, National Archives and Records Administration, Washington, DC. Baltimore, Md.: Printed for Clearfield Co. by Genealogical Pub. Co..
Chicago Style CitationDixon, Ruth Priest. Index to Seamen's Protection Certificate Applications, Port of Philadelphia, 1824-1861: Record Group 36, Records of the Bureau of Customs, National Archives and Records Administration, Washington, DC. Baltimore, Md.: Printed for Clearfield Co. by Genealogical Pub. Co., 1994.
MLA CitationDixon, Ruth Priest. Index to Seamen's Protection Certificate Applications, Port of Philadelphia, 1824-1861: Record Group 36, Records of the Bureau of Customs, National Archives and Records Administration, Washington, DC. Baltimore, Md.: Printed for Clearfield Co. by Genealogical Pub. Co., 1994.