- The History of | Play
- George Nissen: Inventor of the | Independent | The Independent
- The History of | Play
- George Nissen obituary | Training programmes |
- How the Trampoline to Be Innovation| Smithsonian Magazine
- How the Trampoline to Be Innovation| Smithsonian Magazine
- How the Trampoline to Be Innovation| Smithsonian Magazine
- George Nisson, inventor of trampoline, lives San Diego's | San Diego
- You Who Invented Trampoline?
- George Nissen: Inventor of the | Independent | The Independent
- Trampoline History: From to Modern Day | Trampolines
- How the Trampoline to Be Innovation| Smithsonian Magazine
- No regrets' for inventor $50m Springfree who sold out years
- George Nissen: Inventor of the | Independent | The Independent
- 11 Cool May Have Known About Trampolines | GetTrampoline.com
- Nissen – Brentwood Trampoline ®
- Jumpoline Family Fun on Twitter: "George Nissen was an American gymnast and inventor who developed the modern trampoline. #jumpoline #familyfun #colorado #trampoline https://t.co/uCVzwsnJal" /
- 11 Cool May Have Known About Trampolines | GetTrampoline.com
- George Nissen dies 96; inventor of the modern trampoline - Los Angeles Times
- 5 Reasons Why the Water Trampoline the Best Invention | RAVE Sports
- The History the Trampoline
- Peak trampoline: why the great British bounce trend is a serious hazard | UK weather The Guardian
- Nissen and the Trampoline – Engineering Library
- Made That - The New York Times
- George Nisson, inventor of trampoline, lives San Diego's | San Diego
- Who Invented the first Trampoline - Nissen - YouTube