Foot bones of various kinds of prehistoric horse from Valley Anatomical Preparations, Canoga Park, CA.
Souvenir postcard from the Carnegie Museum of Natural History showing an exhibit explaining the evolution of the horse over time.
Souvenir postcard from the American Museum of Natural History, New York, NY.
Souvenir postcard (one of a set) from Montignac-sur-Vezere (Dordogne), France, showing a cave painting of an ancient horse, presumably based on a living model.
Smithsonian Institution postcard (1987) showing the earliest known horse Hyracotherium (formerly Eohippus).
Field Museum souvenir postcard depicting, in black and white, a color mural painted by artist Charles R. Knight for the museum’s Ernest R. Graham Hall, the old “Hall 38.” The lower left portion of this painting shows a herd of the four-toed horse Orohippus. (This postcard is one of a series reproducing Knight’s murals done for the museum.)
American Museum of Natural History postcard reproducing a Miocene period scene painted by artist Robert J. Barber in 1994. The horse Neohyparian appears at the left.
Smithsonian Institution souvenir postcard (1987) depicting Parahippus.
Field Museum postcard showing a diorama of life-sized figures of the early three-toed horse Mesohippus. Below. a stereopticon view of the same display (“reverse cross” your eyes to see it in three dimensions), Keystone Junior Series (ca. 1930s).