For the benefit of students at San Diego State University, a guide lists basic types of information sources, showing how to research both familiar and unfamiliar subjects, and helps locate needed materials efficiently. Explanations are included of the card catalog, periodical indexes, newspaper indexes, general reference sources, book reviews, government publications, and microforms and other nonbook materials. A physical description of the library is included. A final section explains how to prepare an annotated bibliography. (SK)