http://www.rssboard.org/rss-specification 720 XTF Search Results (docsPerPage=100;f7-subject=Mason-Dixon Line -- History) https://catalog.wrhs.org/collections/search?docsPerPage%3D100;f7-subject%3DMason-Dixon%20Line%20--%20History Results for your query: docsPerPage=100;f7-subject=Mason-Dixon Line -- History Thu, 01 Jan 1970 12:00:00 GMT The history of Mason and Dixon's Line: contained in an address delivered by John H.B. Latrobe of Maryland, before the Historical Society of Pennsylvania, November 8, 1854. Latrobe, John H. B. (John Hazlehurst Boneval), 1803-1891, Daniel Murray Pamphlet Collection (Library of Congress) 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