http://www.rssboard.org/rss-specification 720 XTF Search Results (docsPerPage=100;f76-subject=Plane trigonometry) http://norton.wrhs.org/collections/search?docsPerPage%3D100;f76-subject%3DPlane%20trigonometry Results for your query: docsPerPage=100;f76-subject=Plane trigonometry Thu, 01 Jan 1970 12:00:00 GMT A course of mathematics: containing the principles of plane trigonometry, mensuration, navigation, and surveying. Adapted to the method of instruction in the American colleges. Day, Jeremiah, 1773-1867 http://norton.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrc http://norton.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrc Thu, 01 Jan 1970 12:00:00 GMT