End of a boxing era: The tale of Jake Kilrain vs. John L. Sullivan, the final bare-knuckle heavyweight title fight - syracuse.com
Jake KILRAIN: Fiercest Rival Of John L. SULLIVAN - YouTube
Jake Kilrain of Baltimore (right) bets one-thousand dollars
Bare-knuckle boxing from a bygone era looks for a comeback – Twin Cities
Jake Kilrain
Jake Kilrain vs. John L. Sullivan - BoxRec
Issued by Goodwin & Company | Jake Kilrain, Pugilist, from the Goodwin Champion series for Old Judge and Gypsy Queen Cigarettes | The Metropolitan Museum of Art
KILRAIN, JAKE ORIGINAL LARGE FORMAT PHOTO – JO Sports Inc.
File:Jake Kilrain 1898.jpg - Wikimedia Commons
On This Date in Sports July 8, 1889: Last of the Bareknuckle Boxers | Barstool Sports