Mansfield University Home PageOur popular Search and Find It tutorial will help you find the materials you want in the library. If you’ve never used the Library of Congress classification system before, you will become familiar with call numbers. Use it before you begin trying to search for items on your own. It will show you how to come up with a strategy. It will also help you with finding books and journal articles. Test the skills you’ve learned with a quiz at the end of each section.