University of Virginia
Medical History: Yellow Fever and Walter Reed
Photographs and documents from the University of Virginia's Hench-Reed Collection tell the story of the work done in Cuba at the turn of the 20th century toward finding the cause of Yellow Fever. Hyperlinks to additional information.
Library of Congress
Loc: America's Story: Yellow Fever Cause Discovered
You have probably never heard of anyone you know having Yellow Fever. But in the early 1900s, it was mysterious as well as deadly. How was it transmitted? What did people do to try to prevent getting sick? Read the story at this site.