http://www.rssboard.org/rss-specification 720 XTF Search Results (docsPerPage=100;f277-subject=Paleontology -- Permian) https://catalog.wrhs.org/collections/search?docsPerPage%3D100;f277-subject%3DPaleontology%20--%20Permian Results for your query: docsPerPage=100;f277-subject=Paleontology -- Permian Thu, 01 Jan 1970 12:00:00 GMT Contributions to the knowledge of Richthofenia in the Permian of West Texas. Bèose, Emil, 1868-1927, University of Texas Bureau of Economic Geology and Technology 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