PBS
Pbs Learning Media: James Buchanan
James Buchanan had an extraordinary political career before the presidency, serving as a state representative, a congressman, and as ambassador to Russia. This video highlights his career.
Smithsonian Institution
National Museum of American History: American Presidency: James Buchanan
Brief biographical sketch of America's fifteenth president includes background information on the era in which he served and linked-to objects from the Smithsonian's collections that help define the man and his presidency.