vol. 1, no. 1 (23 June 1967)

vol. 1, no. 2 (7 July 1967)

vol. 1, no. 3 (7 July 1967)

vol. 1, no. 4 (4 August 1967)

vol. 1. no. 10 (3 November 1967)

vol. 1, no. 11 (17 November 1967)

vol. 2, no. 1 (28 January 1968)

vol. 2, no. 2 (18 February 1968)

vol. 2, no. 3 (18 March 1968)

vol. 2, no. 4 (14 April 1968)

vol. 2, no. 5 (13 May 1968)

vol. 2, no. 6 (11 June 1968)

vol. 2, no. 7 (17 June 1968)

vol. 2, no. 8 (15 August – 15 September 1968)

vol. 2, no. 9 (18 September 1968)

vol. 2, no. 10 (16 October 1968)

vol. 2, no. 11 (18 November 1968)

vol. 2, no. 12 (16 December 1968)

vol. 3, no. 1 (21 January 1969)

vol. 3, no. 2 (17 February 1969)

vol. 3, no. 3 (17 March 1969)

vol. 3, no. 4 (15 April 1969)

vol. 3, no. 5 (20 May 1969)

vol. 3, no. 6 (17 June 1969)

vol. 3, no. 7 (22 July 1969)

vol. 3, no. 8 (25 August 1969)

vol. 3, no. 9 (22 September 1969)

vol. 3, no. 10 (20 October 1969)

vol. 3, no. 11 (18 November 1969)

vol. 3, no. 12 (16 December 1969)

vol. 4, no. 1 (15 January 1970)

vol. 4, no. 2 (18 February 1970)

vol. 4, no. 3 (18 March 1970)

vol. 4, no. 4 (22 April 1970)

vol. 4, no. 5 (13 May 1970)

vol. 4, no. 6 (17 June 1970)

vol. 4, no. 7 (22 July 1970)

vol. 4, no. 8 (26 August 1970)

vol. 4, no. 9 (23 September 1970)

vol. 4, no. 10 (21 October 1970)

vol. 4, no. 11 (18 November 1970)

vol. 4, no. 12 (16 December 1970)

vol. 5, no. 1 (20 January 1971)

vol. 5, no. 2 (24 February 1971)

vol. 5, no. 3 (18 March 1971)

vol. 5, no. 4 (19 April 1971)

vol. 5, no. 5 (26 May 1971)

vol. 5, no. 6 (30 June 1971)

vol. 5, no. 7 (24 July 1971)

vol. 5, no. 8 (27 August 1971)

vol. 5, no. 9 (25 September 1971)

vol. 5, no. 10 (29 October 1971)

vol. 5, no. 11 (24 December 1971)

vol. 6, no. 1 (27 January 1972)

vol. 6, no. 2 (29 February 1972)

vol. 6, no. 3 (31 March 1972)

vol. 6, no. 5 (21 July 1972)

vol. 6, no. 6 (30 September 1972)

vol. 7, no. 1 (12 February 1973)

vol. 7, no. 5 (23 October 1973)