http://www.rssboard.org/rss-specification 720 XTF Search Results (docsPerPage=100;f6-subject=Postmarks -- United States) https://catalog.wrhs.org/collections/search?docsPerPage%3D100;f6-subject%3DPostmarks%20--%20United%20States Results for your query: docsPerPage=100;f6-subject=Postmarks -- United States Thu, 01 Jan 1970 12:00:00 GMT Railroad postmarks of the United States, 1861 to 1886: a catalog of railroad mail routes and markings. Towle, Charles L., 1913-, Meyer, Henry Albert, 1894-1968, Remele, C. W. 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 The George Walcott collection of used civil war patriotic covers. Walcott, George, 1871-1932, Laurence, Robert 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