1. Extinct and vanishing mammals of the western hemisphere;Allen O. M.;Spec. Pnhl. Amer. Comm, Int. Wildlife Prot,1942
2. Mammalia of Southern Patagonia;Allen J. A.;Rep. Princeton Univ. Exped. Patagonia,1905
3. On the eared seals of the islands of St. Paul and Amsterdam, with a description of the fur‐seal of New Zealand, and an attempt to distinguish and rearrange the New Zealand Otariidae;Clark J. W.;Proc. zool. Soc. Lond.,1875
4. NOTE SUR LES OS PÉNIENS DE PINNIPÈDES RAPPORTÉS PAR M. PATRICE PAULIAN DE LA MISSION AUSTRALE FRANÇAISE AUX ILES KERGUELEN