University of Groningen
American History: Outlines: The Reach of Congress
Although short, this article very clearly describes the investigative powers of Congress and their importance. Links to other American History topics are available, as well.
University of Oklahoma
Major Congressional Investigations of the Presidency: Fin D'siecle Problems
This excellent and in-depth essay develops the historical framework of congressional investigation. It is an excellent overview and provides links to specific investigations such as Watergate and Iran-Contra. Possible improvements and a...
University of Oklahoma
Congress as Grand Inquest
A thorough discussion of the implied investigative powers of Congress. Early precedents, as well as congressional tools to the process, are described at length.