Whenever you conduct research for any course the information you find should be evaluated for:
Generally, the information you find from resources provided by your College library is better suited for your research than the information found in a Google search. But, always evaluate regardless of the source.
You may discover some interesting material or an idea for your essay while 'googling' the web. Evaluate carefully. Ask you instructor before using a website for your assignment.
.DO NOT use these sources for your paper:
Book reviews - Cliffnotes - Monarch Notes - SparkNotes - Wikipedia
These publications are not appropriate for scholarly research.