Reyna, Stephen P. Department 'Integration and Conflict', MPI for Social Anthropology, Max Planck Society;
http://external.dandelon.com/download/attachments/dandelon/ids/DE00627E4BE43711AAA9FC1257A36004404DA.pdf (Table of contents)
Reyna, S. P. (1990). Wars without end: the political economy of a precolonial African state. Hanover: University Press of New England.