1. Mammalia of southern Patagonia;Allen;Rep. Princeton Univ. Expeds Patagonia, 1896–1899,1905
2. Uttermost part of the earth;Bridges,1948
3. Notes on the distribution and status of some Peruvian mammals;Grimwood;Spec. Publs Am. Commn for Int. Wildl. Protection and N.Y. Zool. Soc.,1968
4. Original teeming abundance, supposed extinction, and survival of the Juan Fernandez fur seal;Hubbs,1971