http://www.rssboard.org/rss-specification 720 XTF Search Results (docsPerPage=100;f277-subject=Mineralogy, Determinative) https://catalog.wrhs.org/collections/search?docsPerPage%3D100;f277-subject%3DMineralogy,%20Determinative Results for your query: docsPerPage=100;f277-subject=Mineralogy, Determinative Thu, 01 Jan 1970 12:00:00 GMT Tables for the determination of minerals: Arranged for the students of the School of Mines of Columbia College. Egleston, Thomas, 1832-1900, Columbia University School of Mines. 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