The Law and the Lady by Wilkie Collins: “I am going to read--Puss in Boots, and Jack and the Bean-stalk, and anything else I can find that doesn't march with the age we live in."”
The Master and Margarita by Mikhail Bulgakov: “'A cat is not supposed to wear trousers, Messire,' the cat replied ... 'Puss-in-Boots exists only in fairy tales, Messire.'”
Foucault's Pendulum by Umberto Eco: “How can the Marquis de Carabas not exist when Puss in Boots says he's in the marquis's service?”
Babel Tower by A. S. Byatt: “Named in the same 'pretty Perrault' passage as Little Red Riding Hood.”