1. The production of electrolytic zinc and vanadic oxide at Broken Hill, Northern Rhodesia;Jackson;Chem. Met. and Min. Soc. S. Africa Jour.,1936
2. The geology of the Zambia Broken Hill mine, Kabwe;Kortman;Geol. Mijnbouw,1972
3. The willemite-hemimorphite relationship;Markham;Econ. Geol.,1960
4. Pelletier, R. A., 1929, The zinc, lead, and vanadium deposits of Broken Hill, Northern Rhodesia: 15th Int. Geol. Cong. (Livret guide), Excursion 22, p. 13–16
5. Lead-zinc deposits at Broken Hill;Pelletier,1964