کتاب های Roger Williamson (eds.)
![A dictionary of Kana, an Ogoni language of the Niger Delta, Nigeria](http://cdn.ketabkoo.com/covers/13/1391220-n.jpg)
A dictionary of Kana, an Ogoni language of the Niger Delta, Nigeria
Nwinee Williamson, Kay Williamson, Roger Blench, 2007![Some Corner of a Foreign Field: Intervention and World Order](http://cdn.ketabkoo.com/covers/10/1036386-n.jpg)
Some Corner of a Foreign Field: Intervention and World Order
Roger Williamson (eds.), 1998![Black Book of the Jackal](http://cdn.ketabkoo.com/covers/2/266645-n.jpg)
Black Book of the Jackal
Roger Williamson, 2006![Dictionary of Kolokuma Ịzọn](http://cdn.ketabkoo.com/covers/13/1386105-n.jpg)