From Creatures of the Sea, Being the Life Stories of Some Sea Birds, Beasts, and Fishes by Frank Bullen, 1904.

From Outdoor Visits by Patch & Howe and illustrated by George Richards, 1935.

The soup du jour is human.  From the Massachusetts Society for the Prevention of Cruelty to Animals' Our Dumb Animals magazine, 1872.

Before Why Paint Cats? there was Why Paint Turtles?  From Reaching Our Goals by Horn, Goodykoontz & Snedaker and illustrated by Cleveland Woodward, 1940.

From Fables and Tales by W. F. Rocheleau, 1897.

From the Massachusetts Society for the Prevention of Cruelty to Animals' Our Dumb Animals magazine, 1957.

From the University of Chicago's 1907 yearbook.

From Brevities by Lisle de Van Natthewman, 1903.

From The Old Line, 1939.

Choosing the turtle.  From The Old Line, 1937.

From the Duluth Herald, 1920.

From Billy Bunny and His Friends by David Cory, 1917.

From The Old Line, 1933.

"News awaiting a sleeping tortoise."  From The Children's Newspaper, 1927.

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

Frog versus turtle: which do you wager for the win?  From St. Nicholas, 1894.

From The Children's Newspaper, 1948.

From Alice's Adventures in Wonderland by Lewis Carroll and illustrated by A. E. Jackson, 1914.

From St. Nicholas, 1889. 

From Tulane University's 1908 yearbook.