Hula hoop marketing techniques worth $100M – how the biggest fad in history was made - Kickstart Side Hustle
The History of Hula Hoops - Hoopnotica
Who invented the hula hoop and why was the circle shape chosen as its design? - Quora
Hula hoop - Wikipedia
Who Invented the Hula Hoop? Joan Anderson Did. - The Atlantic
Hula hoop and frisbee inventor (82) dies – The Irish Times
Hula hoop - Wikipedia
Old Photographs - The hula hoop craze is on! (1957) | Facebook
Hula Hoop 1950s Invention | 52 Weeks of Personal Genealogy and History - Week 7: Toys | Hula hoop, Growing up, Vintage ads
Hula Hoop | Exercise, Fitness, Fun | Britannica
The Men Who Invented Fun: A History of Wham-O | Mental Floss
She Was Betrayed by a Gentleman’s Handshake
216 Hula Hoop 1950s Stock Photos, High-Res Pictures, and Images - Getty Images
A Brif History of the Hula Hoop
Richard Knerr, 82, Craze Creator, Dies - The New York Times
Who Invented the Hula Hoop? | Wonderopolis
Hula Hoop - History's Best Toys: All-TIME 100 Greatest Toys - TIME
The History of the Hula Hoop - Hula Hooping Headquarters
7 things you never knew about the hula hoop
The hula-hoop – coming full circle
Hula Hoop - The Strong National Museum of Play
Hula Hoop For Belly Blasting - FitEDM
Invented in California: Hula-Hoops
Uncovering the History of the Hula Hoop | WIRED
