Half of US's 25 most generous philanthropists are Jews. Few give to Jewish groups
The 3 richest families in the world all live in America. Here's who they are
Wal-Mart Heirs Again Top Forbes List of 25 Richest U.S. Families
The World's Richest Families Are - Forbes India
The 25 Richest Billionaire Families in America, Ranked
25 Richest Families in the US
These are the 25 richest families in America
The Greatest Wealth Transfer in History Is Here, With Familiar (Rich) Winners - The New York Times
The 25 richest Americans of all time
Who are the Black billionaires?