1. Neue Tierknochenfunde aus der Magula Pevkakia in Thessalien: II. Die Wiederkäuer;Amberger,1979
2. Library of Useful Knowledge;Anonymous,1837
3. The Central Asian Arabs of Afghanistan;Barfield,1981
4. Stock economy;Barker,1975
5. Nomads and Farmers: A Study of the Yörük of South-east Turkey;Bates,1973