1. The fish and shellfish resources in seas adjacent to the Outer Hebrides;Bailey R. S.;Proc. R. Soc. Edinb.,1979
2. Studies of home range of the feral mink;Birks J. D. S.;Mustela vison. Symp. zool. Soc. Lond.,1982
3. Clode D.(1993).Old colonials and new colonists: mink predation on common and arctic terns.PhD thesis Oxford University UK.