Tvedt, Terje. An annotated bibliography on the Southern Sudan, 1850-2000 / Terj e Tvedt ; with team: Kjell Hodnebo ... [et al.] - Bergen : University of Bergen, 2000 - 2 v. (1091 p.) ; 25 cm. Includes index. ISBN: 8274530187 Subjects--Geographic Terms: Sudan Dewey Class. No.: 016.9624