A Roar Like Thunder: Concise article describing the course of the flood and its aftermath.
Johnstown Flood Museum: Collection of pictures, facts and accounts, with information about the museum itself.
Johnstown Flood National Memorial: National Parks Service site with many photos and eye-witness accounts.
New York Times Articles: Three articles published in the immediate aftermath of the flood.
Railroad Extra: The Johnstown Flood: Two nineteenth century articles describing the flood's effect on the local railroad.
The Cause of the Johnstown Flood: Article by Walter S Frank. Footnoted history of why a reconstructed dam failed. Civil engineering perspective.
The Johnstown Flood: Short article drawn from contemporary accounts. Published by the NOAA Photo Library.
The Pennsylvania Disaster: Poem about the flood by famously bad poet William McGonagall, with historical footnote and links.