book
The Ghost Map: The Story of London's Most Terrifying Epidemic—and How It Changed Science, Cities, and the Modern World
Johnson, Steven. The Ghost Map: The Story of London's Most Terrifying Epidemic—and How It Changed Science, Cities, and the Modern World. New York: Riverhead Books, 2006.
Why this matters here
Johnson's history of John Snow and the London cholera outbreak follows how street-level evidence challenged prevailing explanations. The chapter cites that reconstruction when considering systems that make overlooked patterns visible.
