http://www.rssboard.org/rss-specification 720 XTF Search Results (docsPerPage=100;f2-subject=Aeronautics -- Manuscripts -- Catalogs) http://catalog.wrhs.org/collections/search?docsPerPage%3D100;f2-subject%3DAeronautics%20--%20Manuscripts%20--%20Catalogs Results for your query: docsPerPage=100;f2-subject=Aeronautics -- Manuscripts -- Catalogs Thu, 01 Jan 1970 12:00:00 GMT Guide to the collections of the National Air and Space Archives, National Air and Space Museum, Smithsonian Institution. Silbermann, Paul E., Ewing, Susan E., Smithsonian Institution, National Air and Space Museum Archives. 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