Inside world's wealthiest family - who earn a whopping £57,000 every minute - Mirror Online
Who's who in the world's wealthiest family
The Walton family Just Sold Billions Worth Of Walmart Stock - $2.1 billion - CEOWORLD magazine
The Waltons and Walmart: a fortune built on food stamps
Are there any families/dynasties who have been rich for hundreds of years? - Quora
I'm in America's richest family worth $240billion - inside our empire and how we built our wealth
Chart: The Richest Families in America
Colorado River's biggest champion: Walmart heirs - E&E News by POLITICO
The Walton heirs - Jun. 28, 2005
Walmart's Founding Family Could Literally Buy Every Home In Seattle