From All About Animals: Facts, Stories and Anecdotes, 1900.

From Tulane University's 1908 yearbook.

The answer is supposed to be "They sell rabbits here," not "They sell cake here," but of course in The Wicker Man, it can be both.  (Though, as Summerisle shopkeeper May Morrison says, ""Those are hares, not silly old rabbits. Lovely March hares.")  From My Do and Learn Book to Accompany On Cherry Street by Russell & Ousley, 1948.

From Workbook to Accompany The Story Road by Mabel J. Henderson, 1948.

"The mad March hare."  From Rhymes of a Child's World by Miriam Clark Potter and illustrated by Ruth Fuller Stevens, 1920.

From All About Animals: Facts, Stories and Anecdotes, 1900.

From The New Comic Annual for 1831 by Thomas Hood, 1830.

From More Fables of Aesop.

From The Wonderful Bed by Gertrude Knevels and illustrated by Emily Hall Chamberlin, 1912.

From the Fables of Aesop, told anew by Joseph Jacobs, 1894.

A Charles Fort-style headline: "Out of the blue: when it rained hares."  From The Children's Newspaper, 1929.

From Kansas State's 1929 yearbook.

From Lehigh Burr, 1932.

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

From The Book of Fables and Folk Stories by Horace Elisha Scudder, 1919.

Remarking on the wind is considered polite when addressing a hare for the first time.  From St. Nicholas, 1898.

From Alice's Adventures in Wonderland by Lewis Carroll and illustrated by Peter Newell, 1901.

From Scribner's, 1878.

From Chatterbox, 1879.

From Scribner's 1874.