[365] Otter ⇒ Hreidmar
Adelung-1793: Otter (2), die · Otter (1), die
Brockhaus-1809: Otter
Brockhaus-1911: Otter [2] · Otter
DamenConvLex-1834: Otter
Herder-1854: Otter
Meyers-1905: Otter [2] · Otter [1]
Pierer-1857: Otter-Creek · Peaks of Otter · Otter · Ötter