Original sentence: It has been suggested that Stokowski quit at Cincinnati knowing full well that the job in Philadelphia was already his, or as Oscar Levant suggested in his book A Smattering of Ignorancet, "he had the contract in his back pocket
Edited sentence: It has been suggested that Stokowski quit at Cincinnati knowing full well that the job in Philadelphia was already his, or as Oscar Levant suggested in his book A Smattering of Ignorance, "he had the contract in his back pocket