River drift man and hafted implements,
By
E. Hugh Kitchin

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A flora of Chester County, Pennsylvania,: With especial reference to the Flora cestrica of Dr. William Darlington,
By
Hugh E Stone

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A flora of Chester County Pennsylvania. Hugh E. Stone
By
Hugh E Stone

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Laurel: A leaf from Chester County's past, with biography of Hugh E. Steele and genealogy of his descendants
By
Loraine Stone McKinstry

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A Flora of Chester County, Pennsylvania VOLUME ONE ONLY
By
Hugh E.Stone

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Nodule implements in the Bournemouth district,
By
E. Hugh Kitchin

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A Flora of Chester County, Pennsylvania
By
Hugh E. Stone

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