http://www.rssboard.org/rss-specification 720 XTF Search Results (docsPerPage=100;f1-subject=Imprints, Early American To 1820;f2-format=Periodicals and Newspapers;f3-subject=Postal service -- United States -- Law and regulations) http://catalog.wrhs.org/collections/search?docsPerPage%3D100;f1-subject%3DImprints,%20Early%20American%20To%201820;f2-format%3DPeriodicals%20and%20Newspapers;f3-subject%3DPostal%20service%20--%20United%20States%20--%20Law%20and%20regulations Results for your query: docsPerPage=100;f1-subject=Imprints, Early American To 1820;f2-format=Periodicals and Newspapers;f3-subject=Postal service -- United States -- Law and regulations Thu, 01 Jan 1970 12:00:00 GMT Post-office law, instructions and forms. United States General Post Office., United States Post Office Dept. http://catalog.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrc http://catalog.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrc Thu, 01 Jan 1970 12:00:00 GMT