Library of Congress Documentary

Here is a good C-SPAN documentary for your library: The Library of Congress.  
It covers:

• The Great Hall, Reading Room , and exterior of the Jefferson Building
• Some of the treasures among its books, maps, photos, and presidential papers
• The History of the Library of Congress and its Jefferson Building
• The Jefferson Library and other treasures of the Rare Book and Special Collections Division
• The painstaking care of the Library’s collections
• The use of technology to reveal new information about historical documents