http://www.rssboard.org/rss-specification 720 XTF Search Results (docsPerPage=100;f277-subject=Ohio River Valley -- Historical geography) https://catalog.wrhs.org/collections/search?docsPerPage%3D100;f277-subject%3DOhio%20River%20Valley%20--%20Historical%20geography Results for your query: docsPerPage=100;f277-subject=Ohio River Valley -- Historical geography Thu, 01 Jan 1970 12:00:00 GMT Images of the Ohio Valley: a historical geography of travel, 1740 to 1860. Jakle, John A. 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