James Francis Warren, The Sulu Zone: The Dynamics of External Trade, Slavery and Ethnicity in the Transformation of a Southeast Asian Maritime State, 1768–1898, 2nd ed. (Singapore: NUS Press, 2007). ISBN 9789971693862.
Source type
Modern scholarly monograph
Access & reuse
Copyrighted. The publisher’s description is openly accessible; the book is not presented as public domain or reproduced here.
Source note
Further reading on Sulu as a maritime state. This record links to the publisher’s description of the second edition; the site’s analysis of Warren draws on his 1979 article.