1. The Library of Congress has the first 100 years of the Congressional Record online at this website: http://memory.loc.gov/ammem/amlaw/lawhome.html. It includes a record of the Confederate Congressional Record.
2. Secession Editorials Project: http://mason.gmu.edu/~rtownsen/Hist615_Maps/Final/index.htm
3. Biographical Directory of the U.S. Congress: http://bioguide.congress.gov/biosearch/biosearch.asp
4. Google Books: http://books.google.com/bkshp?hl=en&tab=np