John B. Ehrhardt papers, 1933-1964.
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Ehrhardt, John B. (John Bohne)
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A member of American Newcomen and the New Jersey Committee, John Bohne Ehrhardt was editor and author devoted to maritime subjects, especially in New Jersey waters including shipbuilding, navigation, commerce, and trade. From the description of John B. Ehrhardt papers, 1933-1964. (Plainview-Old Bethpage Public Library). WorldCat record id: 640128174 ...
Newcomen Society of the United States
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Newark Public Library. New Jersey Reference Division
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