6 May 1974; Department of Finance; Circular;
5 May 1974; Department of Finance; Circular;
1 May 1974; Department of Education; Circular;
25 April 1974; Department of Finance; Circular;
10 April 1974; Department of Finance; Circular;
10 September 1973; Department of Education; Circular;
19 June 1973; Department of Finance; Circular;
24 May 1973; Department of Finance; Circular;
13 May 1973; Department of Finance; Circular;
26 April 1973; Department of Finance; Circular;