http://www.rssboard.org/rss-specification 720 XTF Search Results (docsPerPage=100;f6-subject=Commercial catalogs) https://catalog.wrhs.org/collections/search?docsPerPage%3D100;f6-subject%3DCommercial%20catalogs Results for your query: docsPerPage=100;f6-subject=Commercial catalogs Thu, 01 Jan 1970 12:00:00 GMT Link-Belt general catalog no. 400: including the products of the H.W. Caldwell & Son Co. plant of the Link-Belt Company. Link-Belt Company, H.W. Caldwell & Son Co 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