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The Allegheny river
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Allegheny passage : an illustrated history of Blair County
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Pennsylvania's Allegheny Mountains : the first frontier
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History of Allegheny county, Pennsylvania
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Allegheny County, Pa. cemetery records
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Will abstracts of Allegheny County, Pennsylvania : will books I through V
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Allegheny County, Pa., Revolutionary War soldiers
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A list of immigrants who applied for naturalization papers in the District Courts of Allegheny County, Pennsylvania
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Atlas of Indiana Co., Pennsylvania
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History of Carbon County, Pennsylvania; also containing a separate account of the several boroughs and townships in the county
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History of the counties of Dauphin and Lebanon, in the commonwealth of Pennsylvania; biographical and genealogical
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Local sketches and legends pertaining to Bucks and Montgomery counties, Pennsylvania
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A picture of Clinton County
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Rural delivery : real photo postcards from central Pennsylvania, 1905-1935
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The price of patriotism : Indiana County, Pennsylvania, and the Civil War
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Profiles from the Susquehanna Valley: past and present vignettes of its people, times, and towns
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Industries and institutions of Centre County, with historical sketches of principal villages, &c., &c.
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How Pennsylvania acquired its present boundaries
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Historical reflections of Centre County, 1970
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Centre County and round about
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Centre County, the county in which we live
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From Juniata iron to the space age : an industrial history of Centre County, 1793-1975
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Historic homes and institutions and genealogical and personal memoirs of Chester and Delaware counties, Pennsylvania
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Where time stands still
