u 
     
    
   
   
    
         
     
    
   
   
    
     Mrs. Ifiez Dixon Mrs. Louise Marchbank 
     
     1967-69 1969-71 
     
    
   
   
    
         
     
    
   
   
    
     Mrs. Leone Ross Mrs. Beatrice Reeves 
     
     1971-73 1973-75