When Was the First Snowmobile Invented? | Surex
Snowmobiling – Our Winter World
Antique, Vintage Flexible Flyer Sleds Are Sought After by Collectors | News, Sports, Jobs - The Intelligencer
Dog Sledding History (When and Where it Started) – Outdoor Troop
Winter's flying machine: Flexible Flyer sled created by Cinnaminson man - nj.com
Glide through the history of sled riding – The Hiller
Bobsledding | History, Rules, & Facts | Britannica
Sledding and sleighing were once popular pastimes
Sledding - Wikipedia
Sled dog - Wikipedia
The sled that steers | USPTO
An Obsessive Collector Opened a Flexible Flyer Sled Museum | New Jersey Monthly
A Brief History of Sledding - WSJ
Old Sleds — Fun Collectibles, Decorative Objects | Antiques, Collectibles & Historical Stories | lancasterfarming.com
Who Invented the Snowmobile?
History of the Snowmobile: Lombard Log Hauler and Model T Snowmobile • NH Snowmobile Association
Flexible Flyer – Sledding Fun Born during the Victorian Era - Recollections Blog
Antique Sled Value (Identification & Price Guides)
The history of Lynx Snowmobiles
How snowmobiles launched Polaris into a nationally known company | MinnPost
Carving a timeline of snowmobile history | SnoRiders
Swiss History – The birth of bobsleighing
