Stories of the shoot era legends
I posted a link to Earl Caddock "The Man of a Thousand Holds" before but here's a bunch more great articles by John S. Nash on other legends from the shoot era - Ed "The Strangler" Lewis, Karl Gotch, Tom Jenkins. Frank Gotch, George Hackenschmidt, etc. Great reads if you're in to old-timey wrestling history.
Wrestling with the Past
And the story of the shoot wrestling matching between Olympian Nat Pendelton and the pro wrestling John Pesek "The Nebraska Tigerman"
The Martial Chronicles: The Last Shoot