http://www.rssboard.org/rss-specification 720 http://ecuip-xtf.lib.uchicago.edu/xtf/search?expand%3Dsubject;f5-subject%3DNaval%20Research%20Laboratory;f4-associated-Lesson%3DX-Ray%20History Results for your query: expand=subject;f5-subject=Naval Research Laboratory;f4-associated-Lesson=X-Ray History Thu, 01 Jan 1970 12:00:00 GMT http://ecuip-xtf.lib.uchicago.edu/xtf/view?docId=grxr/NRL/NRL.dc.xml The Naval Research Laboratory is the corporate research laboratory for the Navy and Marine Corps. It is located in Washington, D.C. http://ecuip-xtf.lib.uchicago.edu/xtf/view?docId=grxr/NRL/NRL.dc.xml Thu, 01 Jan 1970 12:00:00 GMT