Annals of the South African Museum. Annale van die Suid-Afrikaanse Museum - South African Museum. (South African Museum, 1916)

Report on the scientific results of the voyage of H.M.S. Challenger during the years 1873-76 under the command of Captain George S. Nares ... and the late Captain Frank Tourle Thomson, R.N - Thomson, C. Wyville, Sir, (Charles Wyville), 1830 -1882 (Neill, 1888)

Das Tierreich - Deutsche Zoologische Gesellschaft. (R. Friedländer, 1906)