This work describes the genealogical and historical holdings of historical societies, court houses, archives, and public libraries in York and Adams Counties. It contains information on original records, and bibliographies of published material, church and probate records, and other source materials. It also includes listing of cemetery records held by the Historical Society of York. Chapters include: Archives, Court Houses and Institutions; Atlases, Maps and Gazetteers; Bibliography; Cemeteries; Censuses, Directories and Tax Lists; Churches; Family Histories; Land; Military; Naturalization; Newspapers; Origins of Settlers; Other Court Records; Passenger Lists and Immigration Records; Periodicals and Other Publications; Probate Records; Townships; Vital Records; and Visiting York County. An index to full-names, places and subjects adds to the value of this work.