http://www.rssboard.org/rss-specification 720 XTF Search Results (docsPerPage=100;f277-subject=Earth -- Photographs from space) https://catalog.wrhs.org/collections/search?docsPerPage%3D100;f277-subject%3DEarth%20--%20Photographs%20from%20space Results for your query: docsPerPage=100;f277-subject=Earth -- Photographs from space Thu, 01 Jan 1970 12:00:00 GMT Exploring space with a camera. Cortright, Edgar M., United States National Aeronautics and Space Administration. 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