Casati, G., Clay, J. R., & Landor, W. S. (1891). Ten years in Equatoria and the return with Emin Pasha. F. Warne and co..

Casati, Gaetano, J. Randolph Clay, and Walter Savage Landor. Ten Years in Equatoria and the Return with Emin Pasha. London and New York: F. Warne and co., 1891.

Casati, Gaetano, et al. Ten Years in Equatoria and the Return with Emin Pasha. F. Warne and co., 1891.