If you want to find the most credible sources using Google, you could try this approach:
Narrow your search to a particular domain like gov or edu
For example, if you were looking for the information on Alexander Pope, you might want to limit your search to educational web sites.
Alexander Pope site:edu
There are several options if you need help in finding information about World Literature
If you are not assigned a topic by your instructor, you may have to come up with one of your own
To come up with a topic: