Horse power :
Clutton-Brock, Juliet.
Horse power : a history of the horse and the donkey in human societies / Juliet Clutton-Brock. - Cambridge, Mass. : Harvard University Press, 1992. - 192 p. : ill. (some col.) ; 26 cm.
Includes bibliographical references (p. [184]-188) and index.
067440646X
Horses--History.
Donkeys--History.
Mules--History.
Equus--History.
Animals and civilization.
SF283 / C63 1992
Horse power : a history of the horse and the donkey in human societies / Juliet Clutton-Brock. - Cambridge, Mass. : Harvard University Press, 1992. - 192 p. : ill. (some col.) ; 26 cm.
Includes bibliographical references (p. [184]-188) and index.
067440646X
Horses--History.
Donkeys--History.
Mules--History.
Equus--History.
Animals and civilization.
SF283 / C63 1992