1. Bailey AM, Sorensen JH (1962) Sub Antarctic Campbell Island. Denver Mus Nat Hist Proc 11:1–305
2. Barrett Hamilton GEM (1901) Seals. In: Rapports Scientifiques. Resultants du Voyage du s/y Belgica, Zoologie en 1897 1898 1899. pp 7, 9–11
3. Bengtson JL, Hill RD, Hill SE (1993) Using satellite telemetry to study the ecology and behaviour of Antarctic seals. Korean J Polar Res 4:109–115
4. Berry JA (1960) The occurrence of a leopard seal in the tropics. Anim Mag Nat Hist 3:591
5. Best P (1971) A leopard seal from Hout Bay, South Africa. Zool Afr 6:177–179