books.google.ca - This series of Classics in African Anthropology is primarily drawn from a distinct family of texts which dominated the academic analysis of society in mid-20th century Africa. The texts reproduced are significant yet often neglected, and have stood the test of time. This text, originally published in...http://books.google.ca/books/about/The_Trading_States_of_the_Oil_Rivers.html?id=pIR-mgBiJ-gC&utm_source=gb-gplus-shareThe Trading States of the Oil Rivers