File:Snow-cholera-map.jpg - Wikipedia
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John Snow's data journalism: the cholera map that changed the
The John Snow Cholera Map City Center - TAU Research Center
John Snow's Cholera data in more formats « Robin's Blog
Books: John Snow's cholera map
John Snow's cholera map reimagined
Wicked Ambiguity and User Experience
Spatial analysis
James Cheshire – Geography & Cartography
Map a historic cholera outbreak
Tracing the 1854 broad street cholera outbreak with python geo
