Kettlebells in Iran, circa 1897 - www.oldtimestrongman.com
Siegmund Klein, The Kettlebell (1932) - SIMPLEXSTRONG
Kettlebell Training Archives - www.oldtimestrongman.com
The History of the Kettlebell by Steve Cotter and Taco Fleur
old-time strongman Archives - SIMPLEXSTRONG
Old Time Strongmen
The Resurgence Of The Kettlebell: How An Old-School Tool For Strongmen Became A Must-Have Piece Of Equipment For Athletes And The Average Person. - Ben Greenfield Life - Health, Diet, Fitness, Family
Kettlebell Origins and History, from 700 bc to World Domination
Get Strong Fast: The Kettlebell Workout | The Art of Manliness
Al Tauscher's Kettlebell Press - www.oldtimestrongman.com