Often, a successful search strategy uses both keyword searching and subject searching:
Do a keyword search to find materials on your topic.
Examine the list of materials to locate one whose content seems to match your topic.
Once you have this one item on the computer screen, look at the subject/descriptor field to determine which subject/descriptor heading best matches your topic.
Do a new search for material on your topic. This time, try a subject search for the subject/descriptor heading that looked promising.
Read Word and Subject Searching to learn more about the different search strategies.
To find books, you can search the three main catalogs:
The majority of these books are located in the Main Stacks Collection. They'll offer you a wealth of information, and should provide you with a solid foundation on which to build your research.
Remember to publish your changes.