http://www.rssboard.org/rss-specification 720 XTF Search Results (docsPerPage=100;f277-subject=Atmospheric temperature -- Pennsylvania) https://catalog.wrhs.org/collections/search?docsPerPage%3D100;f277-subject%3DAtmospheric%20temperature%20--%20Pennsylvania Results for your query: docsPerPage=100;f277-subject=Atmospheric temperature -- Pennsylvania Thu, 01 Jan 1970 12:00:00 GMT Cold weather in Pennsylvania, 1790-1963. Bell, Raymond Martin, 1907- 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