To find articles, try the databases on this page, which will connect you with all kinds of sources. You will probably find a lot of information (but sometimes you find no information!). Be persistent, try various search terms, and above all, ask for help if you're stuck.
When articles are not available as PDF or HTML files, there's a yellow "Find It!" button that will search for the article in other databases or offer you a chance to get a copy from another library, a process that usually takes a day or two and is FREE for you.