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The Markle family
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Markle family of Centre County, PA
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Markle and Heintzlman families
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Descendats of Henry IV Markle
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The Merkel, Merkle, Markle, Markel Freündschaft
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A Markle-Thompson-Zook genealogy and related lineages
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The Rishel Family, 1712 to 1992
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Beswick family, 1600s to 1987
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History of Allegheny county, Pennsylvania
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The Allegheny
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Will abstracts of Allegheny County, Pennsylvania : will books I through V
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Johan Jacob Eichholtz, 1712-1760, a pioneer settler of Lancaster County, Pennsylvania, and his descendants
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Pennsylvania's Allegheny Mountains : the first frontier
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Eighty years of memories - 1907 to 1987 : the Weidley family history booklet II
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The Corl family of Centre County, Pennsylvania
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The Allegheny river
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Allegheny Uprising
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Allegheny passage : an illustrated history of Blair County
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Allegheny County, Pa. cemetery records
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Ghost stories of Pittsburgh and Allegheny County
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Diehl families of York and Adams Counties, Pennsylvania
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Allegheny women : poems
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Bailey and Gardner families of Centre County, Pennsylvania
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The Jacob Yarger family of Union County, Pennsylvania