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Pennsylvania's Allegheny Mountains : the first frontier
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A history of Blair county, Pennsylvania
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Jefferson County, Pennsylvania : an illustrated history
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Military services and genealogical records of soldiers of Blair County, Pennsylvania
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Blair, main line : a history of the Tuckahoe Valley
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A history of Adams County, Pennsylvania, 1700-1990
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Echoes of Scholla--illustrated : choice bits of Berks County history and lore
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The Lehigh Valley : an illustrated history
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History of Potter County, Pennsylvania
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Pioneers of Crawford County, Pennsylvania, 1788-1800
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A History of Cameron County, Pennsylvania
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A history of Delaware county, Pennsylvania
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History of Centre and Clinton counties, Pennsylvania
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Union County, Pennsylvania : a Bicentennial history
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A history of Elk County, Pennsylvania, 1981
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Union County, Pennsylvania : a celebration of history
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History of Chester County, Pennsylvania : with genealogical and biographical sketches
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Clearfield County
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Two hundred years in Cumberland County; a collection of documents and pictures illustrating two centuries of life in Pennsylvania
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History of Greene County, Pa. : containing an outline of the state from 1682 until the formation of Washington County in 1781 : history during 15 years of union .
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My Pennsylvania : a brief history of the Commonwealth's sixty-seven counties
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It happened in Mifflin County : American history with a central Pennsylvania connection
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History of Bucks County, Pennsylvania : including an account of its original exploration .
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Index to A biographical history of Lancaster County, PA : early settlers and eminent men of the county by Alex. Harris, 1872
