I need a legitimate resourse or resources on Catherine the Great. I have one already, however it is a book and i need some documents from the internet.

Answer 1

Here are a number of excellent sources:
http://www.google.com/search?hl=en&source=hp&ie=ISO-8859-1&q=Catherine+the+Great&btnG=Google+Search

Answer 2

Go to either or both of the following websites and search:

http://scholar.google.com

http://books.google.com