http://www.rssboard.org/rss-specification 720 XTF Search Results (docsPerPage=100;f70-subject=Classification -- Books) https://catalog.wrhs.org/collections/search?docsPerPage%3D100;f70-subject%3DClassification%20--%20Books Results for your query: docsPerPage=100;f70-subject=Classification -- Books Thu, 01 Jan 1970 12:00:00 GMT Library classification and numbering system. Parker, Henry William., General society of mechanics and tradesmen of the city of New York. Library 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