Flora Penn

Bulletin of the United States National Museum

• Categories: Science

• Type: Book
• -
• Published: 1907
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• Publisher: Unknown

None

Catalogue of the Type and Figured Specimens of Fossils, Minerals, Rocks, and Ores in the Department of Geology, United States National Museum: Fossil vertebrates; fossil plants; minerals, rocks, and ores. 1907

• Author(s): United States National Museum

• Categories: Fossils

• Type: Book
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• Published: 1907
• -
• Publisher: Unknown

None

Cross, Duffey, and Ramsay Lines

• Author(s): Lowell Myers Duffey

• Categories: Ohio

• Type: Book
• -
• Published: 1998
• -
• Publisher: Unknown

"Thomas Ramsay Senior, of Ireland and Fayette County, Pennsylvania, married Mary Elizabeth Cross, and Michael Duffey Senior, of Ireland, Fayette County, Pennsylvania, and Adams and Brown Counties, Ohio, married Nancy Agness Cross. Our research into these and other areas of Pennsylvania and Ohio indicates these women were related and has identified other related bearers of the Cross surname"--Page 3.

A Dictionary of the Fossils of Pennsylvania and Neighboring States Named in the Reports and Catalogues of the Survey ...

• Author(s): Pennsylvania. Board of Commissioners for the Second Geological Survey

• Categories: Paleontology

• Type: Book
• -
• Published: 1889
• -
• Publisher: Unknown

None

Catalogue of the Library of the Arnold Arboretum of Harvard University

• Author(s): Arnold Arboretum. Library

• Categories: Botany

• Type: Book
• -
• Published: 1917
• -
• Publisher: Unknown

None