There are a number of different starting points for issue research. Is it a local isssue? If so you want to begin with local resources such as your community newspaper, state legislature, or local organizations. From there depending upon your goal you might want to broaden your research.
Parks library provides online access to a wide range of encyclopedias and sources through the Gale Virtual Reference Library. Below is a small sample of encyclopedias available on this site. Encyclopedias are a good source for basic, beginning background information.
In addition, don't forget about print resources, simply search the library catalog to find out what is available in Parks Library:
Finally, if your issue involves a court case or recent legislation go to HeinOline: