1. Phocascaris cystophorae sp. nov. (Nematoda) from the hooded seal with an emendation of the genus;Berland;Arbok for Universitetet i Bergen Matematisk-Naturvitenskapelig Series,1963
2. The Harbour Seal, Phoca vitulina concolor, in Eastern Canada;Boulva,1973
3. Eastern Grey Seal: 1978 Research Report and Stock Assessment;Gray;Canadian Atlantic Fisheries Scientific Advisory Committee Research Document 79-38,1979
4. The Grey Seal in Eastern Canada;Mansfield;Fisheries and Marine Service, Environment Canada Technical Report No. 704,1977
5. Public health aspects of “codworm” infection: A review;Margolis;Journal of the Fisheries Research Board of Canada,1977