"Inland rivers Commercial." . . "Hookstown (Pa.)" . . . . "Beaver County (Pa.)" . . . "Papers include genealogical correspondence and notes, original materials, diaries, financial and legal documents, family histories, vital records, newsclippings, and other sundry items documenting the lives of the Ewing and Calhoon families."@en . . . . . . . . . . . . . . . . . "Ewing family papers"@en . . . "History"@en . . . "Allegheny County (Pa.)" . .