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By: Smith, George, - Delaware County Institute of Science.Edition:Publication info: Philadelphia, Printed by Henry B. Ashmead, 1862Volume:Series:Holding Institution: University of Pittsburgh Library SystemSubjects: Delaware County Delaware County (Pa.) History Natural history PennsylvaniaBHL Collections:
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By: Smith, George, - Delaware County Institute of Science.Edition:Publication info: Philadelphia, Pa, H.B. Ashmead, 1862Volume:Series:Holding Institution: Allen County Public LibrarySubjects: Delaware County Delaware County (Pa.) History Natural history PennsylvaniaBHL Collections:
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By: Smith, George, - Delaware County Institute of Science.Edition:Publication info: Philadelphia, Printed by H.B. Ashmead, 1862Volume: (1862)Series:Holding Institution: Library of CongressSubjects: Delaware County Delaware County (Pa.) History Natural history PennsylvaniaBHL Collections: