It is time to do some research and most students simply type their topic into Google and hit enter.
Now one must search through 143,000,000 results!!!! We just need scholarly material - so let's filter out everything but EDU domains.
We easily do this by typing :edu or :gov to get government domains. The EDU domain is only given to four year universities. The GOV domain is only given to US Government entities.
Here is some tiger information from the Smithsonian!