http://www.rssboard.org/rss-specification 720 XTF Search Results (docsPerPage=100;f8-subject=Humphreys, Robert Edmund, -- 1868-) https://catalog.wrhs.org/collections/search?docsPerPage%3D100;f8-subject%3DHumphreys,%20Robert%20Edmund,%20--%201868- Results for your query: docsPerPage=100;f8-subject=Humphreys, Robert Edmund, -- 1868- Thu, 01 Jan 1970 12:00:00 GMT Pioneers in oil cracking. Wilson, Robert Erastus, 1893- 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