A rabbit (and his dogfriend) in a carving in the Romanesque church of Saint Mary and Saint David in Kilpeck, Herefordshire, England, 12th century.
Photo by Simon Garbutt (thanks).
A rabbit (or is it a hare?) by Albrecht Dürer. It’s a watercolor and gouache drawing on paper dated 1502, conserved at the Albertina collection in Vienna, Austria.
From the picture book Mr. Rabbit and the Lovely Present, written by Charlotte Zolotow and illustrated by Maurice Sendak. First published by Harper&Row in 1962, I think.