http://www.rssboard.org/rss-specification 720 XTF Search Results (docsPerPage=100;f277-subject=Coal miners -- United States -- History) https://catalog.wrhs.org/collections/search?docsPerPage%3D100;f277-subject%3DCoal%20miners%20--%20United%20States%20--%20History Results for your query: docsPerPage=100;f277-subject=Coal miners -- United States -- History Thu, 01 Jan 1970 12:00:00 GMT A history of the coal miners of the United States: from the development of the mines to the close of the anthracite strike of 1902, including a brief sketch of early British miners. Roy, Andrew. 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