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Pennsylvania almanac
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Historical collections of the State of Pennsylvania, containing a copious selection of the most interesting facts ... with topographical descriptions of every county and all the larger towns in the state
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Pennsylvania, birthplace of a nation
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Great floods of Pennsylvania
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A history of Pennsylvania, by Wayland Fuller Dunaway .
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Our Pennsylvania heritage
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Our roots grow deeper than we know : Pennsylvania writers/Pennsylvania life
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Pennsylvania trivia
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Pennsylvania firsts : the famous, infamous, and quirky of the Keystone State
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Pen pictures of early western Pennsylvania
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Pennsylvania cavalcade
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Pennsylvania's best; the story of Pennsylvania's contributions to life, liberty and the pursuit of happiness for students of history, libraries, armchair travelers and everyone who is proud to be associated in any way with Pennsylvania
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Chronology and documentary handbook of the State of Pennsylvania
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The history of Pennsylvania
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Pennsylvania trivia
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One for all : a Pennsylvania number book
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A historical album of Pennsylvania
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Pennsylvania
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Pennsylvania, the story of a commonwealth
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It happened in Pennsylvania
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The road taken : a journey in time down Pennsylvania Route 45
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K is for keystone : a Pennsylvania alphabet
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Pittsburgh and the state of Pennsylvania : cool stuff every kid should know
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Pennsylvania curiosities : quirky characters, roadside oddities & other offbeat stuff