From Improvement Era, 1959.

From The New People and Progress, Teacher's Edition by Gray et al., 1955.

From Sea-side and Way-side by Julia McNair Wright and illustrated by C. S. King, 1936.

From The Children's Newspaper, 1929.

From St. Nicholas magazine, 1916.

From Artful Anticks by Oliver Herford (1894).

From The Mouse's Tail by Helen Pettes and illustrated by Julia Greene, 1917.

From Alice's Adventures in Wonderland by Lewis Carroll, 1931.

From the Wizardry III: Legacy of Llylgamyn handbook.

From St. Nicholas, 1891.

"Can mice be kings?"  From Starting Points in Language Arts, Level 3 by Kambeitz & Roth, 1977.

From Lasell Female Seminary's 1911 yearbook.

From St. Nicholas, 1912.

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 St. Nicholas, 1915.

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

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

"Foods make a difference in growth."  From The Body and Health: Grade Six by Ruby Simpson and Elizabeth Smith, 1936.

From The F-U-N Book for Canadian Boys and Girls by Mabel Guinnip LaRue and illustrated by Maud & Miska Petersham, 1930.

From Our Pets by Nida & Nida, 1928.