. . "Katten." . . "Cats Behavior." . . "Cats-Behavior." . "Do cats think? : notes of a cat watcher"@en . "Do cats think? : notes of a cat watcher" . . . . . . "Observations on and descriptions of cat behavior, based on the author's decades of watching his feline companions, testify to the ability of cats to remember, communicate, and think."@en . . . . . . "Do cats think?" . . . "Do cats think? : notes of a cat-watcher" . "Do cats think? : notes of a cat-watcher"@en . . . . . . . . "Do cats think? notes of a cat-watcher"@en . "Kunnen katten denken? : notities van een kattekijker" . . "Did you ever wonder whether you have been missing a great opportunity in the way you relate to the cat you live with?" . . . .