1. The history of Farallon Island marine bird populations 1854-1972;AINLEY;Condor,1974
2. Comparative feeding ecology of seabirds of a tropical oceanic island. Yale Peabody Mus;ASHMOLE;Nat. Hist. Bull.,1967
3. Effects of sea conditions on rates at which Guillemots feed chicks;BIRKHEAD;Br. Birds.,1977
4. Auk numbers on Skomer Island;BIRKHEAD;Nat. Wales.,1975
5. Population parameters for the Common Guillemot;BIRKHEAD;Uria aalge