From Mocca, 1934.

Before people looked at cat pictures on the internet, cats looked at people pictures in museums.  From L'Album Comique de la Famille, 1905.

From Jugend, 1919.  Speaking of literate cats, was How to Be Your Own Cat written by an actual cat?  See for yourself.  See for yourself.

Cats aren't staring into space -- they're looking at themselves with the mirrors in their eyes.  The headline reads, "Mirrors in cat's eyes cause them to shine at night."  From Popular Mechanics, 1934.

"The genie went to him in the shape of a monstrous cat."  From The Arabian Nights Entertainments, 1899.

The Cheshire cat.  From Good Housekeeping, 1908.

"One night, returning home much intoxicated."  From Twenty-five Ghost Stories by West Bob Holland, 1904.

"'Would you mind explaining?' said the cat."  From The Westminster Alice by Hector H. Munro a.k.a. Saki and illustrated by F. Carruthers Gould, 1902.

"I'm going to write a love letter for you, Popsy-wop!"  From The Judge, 1920.

From Die Muskete, 1940.  This should also be of interest: How to Be Your Own Cat.