The Racist History of Tipping - POLITICO Magazine
A Brief History on Tipping in the United States - Poached
The history of tipping—from sixteenth-century England to United States in the 1910s - ScienceDirect
The History of Tipping: Past, Present + Future | 7shifts
How Americans Tip at Restaurants Has a Troubling History | TIME
Gratuity - Wikipedia
When Tipping Was Considered Deeply Un-American : The Salt : NPR
The disturbing history of tipping in the U.S.: "It's literally a slave wage" - CBS News
Tipping - a Brief History | Visual.ly
The Origins Of Tipping Culture In The United States – MK Library
Opinion | Tipping Is a Legacy of Slavery - The New York Times
The History of Tipping: Past, Present + Future | 7shifts
The History of Tipping: Past, Present + Future | 7shifts
The History of Tipping: Past, Present + Future | 7shifts
The Controversial History Behind Tipping
The Racist History Behind America's Tipping Culture - Shriver Center on Poverty Law
The ugly history of tipping in America - Marketplace
When Tipping Was Considered Deeply Un-American : The Salt : NPR
Service 101: A Brief History of Tipping | Food Woolf
Great Gratuity: A Brief History Of Tipping In America - capradio.org
The History of Tipping: Past, Present + Future | 7shifts
Why Does America Tip so Much? 7 States Once Tried to Ban Tipping
