Taco Bell's first restaurants only offered 5 items, and most are no longer on the menu
Taco Bell turns 50 – Orange County Register
Taco Bell Logo History And Meaning: The Taco Bell Logo Evolution
A look at the history of some of Taco Bell's menu collaborations
First Taco Bell east of the Mississippi? Springfielders remember city's original run for the border
Here's What Taco Bell Looked Like When It First Opened
The Surprising History of Taco Bell
Rolando's Roadside Roundup: Vintage Taco Bell Edition
The Original Taco Bell Building – Irvine, California - Gastro Obscura
Logo Evolution: Taco Bell – The Man in the Gray Flannel Suit