IYYF.ORG – International Yo-Yo Federation
Chico's Gentry Stein wins national yo-yo competition – Chico Enterprise-Record
Competitors Go to Extremes in World Yo-Yo Contest - The New York Times
Watch 2018 World YoYo Contest Champion Evan Nagao Perform to 'Freebird'
Yo-Yo Pros
Watch This Competition To Learn The Divine Secrets Of The Yo-Yo Brotherhood : NPR
YoYoExpert Blog & Yo-Yo News – 2013 World Yo-Yo Contest Results + Video
World Yo-Yo Contest - Wikipedia
RESULTS – WORLD YO-YO CONTEST 2015
Michigan man wins World Yoyo Contest in Japan | wzzm13.com
2013 US National YoYo Contest – 3A Analysis
Shu Takada - 2A Final - 1st Place - World Yoyo Contest 2017 - YouTube
Full Final Results | World Yo-Yo Contest 2014
Inside the World of Competitive Yo-Yo | Seattle Met
YoYoFactory Presents: World YoYo Champion 1A Hiroyuki Suzuki - YouTube
Chico's Gentry Stein wins national yo-yo competition – Chico Enterprise-Record
Takuma Inoue - 5A Final - 1st Place - World Yoyo Contest 2017 - YouTube
Yo-Yo Champs Give String Theory New Meaning | WIRED
IYYF.ORG – International Yo-Yo Federation
Top 5 BEST Yoyo Competition Freestyles of All Time - YouTube
