A Brief (But Global) History of Ketchup | Arts & Culture| Smithsonian Magazine
ketchup / catsup — Wordorigins.org
Catsup vs. Ketchup... What's in a name – Ark-La-Tex Weekend
The story behind Heinz tomato ketchup as production of nation's favourite sauce returns to Wigan | Wigan Today
How Ketchup Became the Great Equalizer | The Saturday Evening Post
Ketchup vs. Catsup | Foodiggity
Heinz Tomato Ketchup with No Sugar Added, 29.5 oz Bottle | Meijer
Heinz Tomato Ketchup, 2 x 1.35kg | Costco UK
Ketchup isn't even American – The Language of Food explains how tomato sauce has origins in Vietnam, Cambodia and Indonesia dating back to the 17th century | South China Morning Post
A brief history of ketchup
Why Heinz ketchup bottles still say '57 varieties' | CNN Business
History and How It's Made: The Gloppy Chemistry of Ketchup
The history of catsup, plus check out these vintage catsup/ketchup brands - Click Americana