Template:Richardson & Gray, 1846
- Richardson, J. & Gray, J.E. 1846. The zoology of the voyage of the H.M.S. Erebus & Terror, under the command of Captain Sir James Clark Ross, during the years 1839 to 1843. 1: pg. Mammalia, Birds. London: E. W. Janson, 1846, 21-48. BHL