A Hamburger Today
'I Would Gladly Pay You Tuesday': The Origins of a Phrase
Barry Popik, a contributor-consultant to the Oxford English Dictionary, Dictionary of American Regional English, Historical Dictionary of American Slang, and the Yale Dictionary of Quotations, researches the history of the quote "I would gladly pay you Tuesday for a hamburger today." He's also got entries on hamburger, burger, cheeseburger, and slider.