The Foreign Relations of the United States series is the official documentary historical record of major U.S. foreign policy decisions that have been declassified and edited for publication. The series is produced by the State Department's Office of the Historian and printed volumes are available from the Government Printing Office.
Does your topic have anything to do with rights? This is a worthwhile website to cruise through...read the information in here as well because there's GREAT historical context related to the time period of your topic even if there aren't any sources directly related.
A mandatory website for 8th graders but a good one for any topic related to Constitutional debate/diplomacy as well as any connection to the foundation of our nation.
Surf through over 10 billion records.....okay, so they did for you but there are over 1,200 here for you and they are ALL awesome! Your topic is probably here so look for it.
There are so many links here...I'm going to go through them and tag specific ones as much as possible, but it would be in your best interest to do it yourself!