Use Wikipedia, Spark Notes, etc. for inspiration, but not as sources for your paper.
Do a site search.
Use Google Scholar and Google Books.
Here are some factors to consider when determining whether a website contains reliable information:
Authority
Who is responsible for the webpage? What authority or expertise does the author have?
Currency
When was the page created? When was the page last updated?
Motive
What are the goals and objectives of the page? Is the page trying to get you to buy something?
Research
Are there links to other resources? If so, are those resources reliable?
Design
Is the webpage well organized and easy to navigate? Does the page include help or search sections?
