Sites 15 

Alternate History Discussion

The largest alternate history discussion forum on the web, plus a directory of individual scenarios sorted by era.
Alternate History Wiki

Exhibits pages related to alternate histories.
B-49 Alternate History

Speculates on how military aviation history would have been different if the project had not been cancelled.
David Johnson’s webpage

Mostly noteworthy for the long “TrolleyWorld” scenario, also has parts of zines from Point of Divergence.
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