some internet resources to explore

http://www.bbc.co.uk/history/ancient/romans/

http://www.fordham.edu/halsall/ancient/asbook09.html

the above website is full of priomary sources... Julius Caesar was an author as well as a general!

http://eawc.evansville.edu/essays/ropage.htm

above is a list of various essays and articles that you can search