We double checked, and you can definitely get the feeling of being a semi-rat by slightly adjusting the tips in How to Be Your Own Cat.  From The Gateway, 1968.

From The Rambles of a Rat by A. L. O. E., 1900.

From Chowan College's 1914 yearbook.

"Cat rears a young rat.  Captive adopted as a child."  From The Children's Newspaper, 1922.

"Sagacity of rats."  From Chatterbox, 1885.

"There I saw a rat hanging by his tail."  From The Cats' Arabian Nights by Abby Morton Diaz, 1881.

"No room for jealousy."  From Chatterbox, 1906.

"Which box will the rat choose?"  From The Children's Newspaper, 1920.

From The Cat in History, Legend and Art by Anne Marks, 1909.

From The House That Jack Built by Randolph Caldecott, 1878.

The hidden rat is discovered.  From Chatterbox, 1886.

From Canadian Children's Own Readers 3 by Pennell, Cusack & Macleod, 1900.

From Artful Anticks by Oliver Herford (1894).

From the University of the South's 1921 yearbook.

Today's shoe-stealing rat is from St. Nicholas, 1915.

From The Land of Oz by L. Frank Baum and illustrated by John R. Neill, 1904.

From The Children's Newspaper, 1938.

"Cat adopts rats."  From the Massachusetts Society for the Prevention of Cruelty to Animals's Our Dumb Animals, 1947.

"Rat's dance of death."  From The Children's Newspaper, 1923.

"Seeing-eye rats and talking dogs."  From Fate Magazine, 1953.