http://www.rssboard.org/rss-specification 720 XTF Search Results (docsPerPage=100;f5-subject=Ohio River Valley -- Manufactures) https://catalog.wrhs.org/collections/search?docsPerPage%3D100;f5-subject%3DOhio%20River%20Valley%20--%20Manufactures Results for your query: docsPerPage=100;f5-subject=Ohio River Valley -- Manufactures Thu, 01 Jan 1970 12:00:00 GMT A history of manufactures in the Ohio Valley to the year 1860. Lippincott, Isaac, 1879- https://catalog.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrc https://catalog.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrc Thu, 01 Jan 1970 12:00:00 GMT