Flames co-owner, billionaire oilman Clay Riddell dies at 81 | The Seattle Times
Clayton RIDDELL | Obituary | Calgary Herald
A sad and gloomy Monday. RIP Mr Clay Riddell.
Once listed at $10 million, billionaire Clay Riddell's family home has sold - YouTube
Canadian business titan and Calgary Flames co-owner Clay Riddell dies | CBC News
UM Today | Remembering alumnus Clayton Riddell
Community and partners | Clayton H. Riddell Faculty of Environment, Earth, and Resources | University of Manitoba
Riddell Family Charitable Foundation deepens commitment to fundamental science | PI News
Roger Gibbins, Ron Hicks, Martha Piper and Clay Riddell | Flickr
Calgary Billionaire Clay Riddell's Home For Sale | HuffPost Alberta
Calgary Flames co-owner, oil tycoon Clay Riddell dies at 81 - Calgary | Globalnews.ca
Rights offering allows Clay Riddell to increase Perpetual stake to 35% | Calgary Herald
Clay Riddell Centre for Quantum Matter | Perimeter Institute
Our History
Calgary Billionaire Clay Riddell's Home For Sale | HuffPost Alberta
Flames co-owner, philanthropist Clayton Riddell dies - YouTube
Clayton Riddell, The World's Richest People - Forbes.com
Varcoe: Clay Riddell leaves legacy in oilpatch and across Calgary | Calgary Herald
How Clay Riddell's 'fun journey' helped shape a Canadian energy empire - RHB Magazine
How Clay Riddell's 'fun journey' helped shape a Canadian energy empire - BNN Bloomberg
Golf Canada Statement on the passing of Mr. Clay Riddell - Golf Canada
Clayton Riddell
Obituary of Clayton Howard RIDDELL | McInnis & Holloway Funeral Hom...
Baye Riddell and his clay creations | E-Tangata
