http://www.rssboard.org/rss-specification 720 XTF Search Results (docsPerPage=100;f7-subject=Natural history museums) https://catalog.wrhs.org/collections/search?docsPerPage%3D100;f7-subject%3DNatural%20history%20museums Results for your query: docsPerPage=100;f7-subject=Natural history museums Thu, 01 Jan 1970 12:00:00 GMT Contributions of museums to outdoor recreation. Coleman, Laurence Vail, 1893-, American Association of Museums, National conference on outdoor recreation 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