1. The Outer Hebrides: where genes and geography meet;BERRY;Proceedings of the Royal Society of Edinburgh,1979
2. Diversity and differentiation: the importance of island biology for general theory;BERRY;Oikos,1983a
3. Evolution of animals and plants in the Inner Hebrides;BERRY;Proceedings of the Royal Society of Edinburgh,1983b
4. BOWMAN , R. I. 1961 Morphological differentiation and adaptation in the Galápagos finches University of California Publications in Zoology 58.