Adelung-1793: Esel (2), der · Esel (1), der
Brockhaus-1837: Esel · Buridan's Esel
Brockhaus-1911: Esel
DamenConvLex-1834: Esel
Eisler-1904: Buridans Esel
Herder-1854: Esel
Kirchner-Michaelis-1907: Buridans Esel
Meyers-1905: Frankensteiner Esel · Esel [2] · Esel [1]
Pierer-1857: Esel [3] · Esel [4] · Südlicher kleiner Esel · Capscher Esel · Esel [1] · Esel [2]