13-14 January 1967.

20-21 January 1967.

27-28 January 1967.

10-11 February 1967.

24-26 February 1967.

19 March 1967.

24-25 March 1967.

2 April 1967.

21-23 April 1967.

28-30 April 1967.

2-3 June 1967.

9-10 June 1967.

20-25 June 1967.

4-9 July 1967.

11-16 July 1967.

18-23 July 1967.

25-30 July 1967.

1-6 August 1967.

29 Aug.- 3 Sept. 1967.

1968.

1969.

1970.