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Voices of the Pennsylvania Railroad
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The railroads of Pennsylvania
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The history of the Pennsylvania Railroad
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The history of the Pennsylvania Railroad
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Railroads of Pennsylvania : fragments of the past in the Keystone landscape
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Remembering the Pennsylvania railroad
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Central Railroad of Pennsylvania
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The Pennsylvania railroad : its origin, construction, condition, and connections ; embracing historical, descriptive, and statistical notices of cities, towns, villages, stations, industries, and objects of interest on its various lines in Pennsylvania and New Jersey
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Pennsylvania Railroad
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The railroad that never was: Vanderbilt, Morgan and the Southern Pennsylvania Railroad
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Heart of the Pennsylvania Railroad : the main line, Philadelphia to Pittsburgh
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Railroad Museum of Pennsylvania : Pennsylvania trail of history guide
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Lewistown and the Pennsylvania Railroad : from moccasins to steel wheels : a collection of essays
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Pennsylvania Train Stations: Restored And Revitalized
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Pennsylvania transportation
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The Underground Railroad in Pennsylvania
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Underground railroad in Pennsylvania
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Two generations on the Allegheny Portage Railroad : the first railroad to cross the Allegheny Mountains
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Memories of the L & T Branch of the Penn Railroad
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Centennial history of the Pennsylvania Railroad Company, 1846-1946
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History of the Pennsylvania Railroad Company : with plan of organization, portraits of officials and biographical sketches
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The railroaders
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The Pennsylvania Railroad : a pictorial history
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"Stemwinders" in the Laurel Highlands; the logging railroads of South-western Pennsylvania
