Commemorative programme / 
ed. by W.G. Watts. 
 - Kitwe :  Northern Rhodesia Section on the Seventh Commonwealth Mining and Metallurgical Congress,  1961. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mining engineering -- Zambia.--Mining engineering -- Zambia.<br/>Mining engineering -- Congresses.--Mining engineering -- Congresses.