Explanatory memorandum on the Pneumoconiosis Bill, 1956. 

 - [Elsiesriver, Cape Town :  National Commercial Press],  1956. 
<br/><br/> Text in English and Afrikaans. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Lungs -- Dust diseases.--Lungs -- Dust diseases.