L. Frank Baum,
Dorothy and the Wizard in Oz — Chapter 18…
(1908)
“ When next the door was opened you ran out and hid yourself—and the piglet was gone.""That's none of my business," growled the kitten."Don't be impudent, Eureka," admonished Dorothy."It is you who are impudent," said Eureka, "for accusing me of such a crime when you can't prove it except by guessing." ”
