Assembling the Persuasive Argument Search for books related to your topic in the ISU Library Catalog. Books can contain everything from general background information to very detailed and specific information. Search for articles using Periodical and Newspaper indexes. Articles are frequently more current than books, which is especially important if your topic is a current issue. Look for statistical sources of data to support your position.
Statistics also make good visuals.
Government documents can be great sources for statistics, as well as giving you official governmental positions on issues as reflected in reports, legislation, and law. Use biographical sources to find information on a person's life, ideas, and work. Information Web Search Strategies - helpful tips on how to search the web more effectively. From Search Engine Watch. Evaluating Websites - a guide from the Undergrad Commons on how to determine reliability of a website.