Journal articles provide the most up to date research as they are published frequently.
Students may need to use these in different ways:
Original Caption: Newspaper Rock Is a Large Cliff Mural of Ancient Indian Petroglyphs and Pictographs, Remarkable for the Clarity of Its Numerous Figures, 05/1972, photographer: Hiser, David, 1937-, arcweb.archives.gov/arc/action/ExternalIdSearch?id=545671
If you wish to find articles on a particular subject, try using Advanced Search. Once you have Search results, use the left hand facets to refine your search to Peer-reviewed Journals. You can limit further by topic or date range.