1948

20 July

On cover:
1949

15 February

On cover:

7 June

On cover:

16 August

On cover:

22 September

On cover:

11 October

On cover:

20 December

On cover:
1950

17 January

14 March

20 June

On cover:

10 October

7 November

5 December

On cover:
1951

16 January

On cover:

13 February

On cover:

27 March

5 June

On cover:

3 July

28 August

On cover:

9 October

On cover:

23 October

On cover:

6 November

On cover:

20 November

On cover:
1952

12 February

On cover:

22 April

29 July

On cover:

9 September

On cover:

4 November

16 December
1953

7 April

On cover:

30 June

On cover:

14 July

11 August

8 September

On cover:

17 November

On cover:
1954

23 February

23 March

On cover:

24 August

On cover:

7 September
1955

25 January

On cover:

22 February

17 May

On cover:

31 May

28 June

On cover:

6 September
1956

29 May

On cover:

26 June

On cover:

4 September

16 October
1957

5 February

6 August

On cover:

12 November