PBS
Pbs:the Evolution of Congress
This extensive lesson used in conjunction with the Ken Burns documentary "The Congress" is designed to develop an understanding of how the U.S. Congress functions by examining its evolution. Links and downloadable materials are provided.
US Senate
U.s. Senate: Oath of Office
At the start of each new Congress, certain members of Congress perform the constitutional rite of take the Oath of Office. Here is the history of this ritual.