Issue 1 July 1977  | Issue 2 October 1977  | Issue 3 January 1978  | Issue 4 May 1978  | Issue 5 August 1978  | Issue 6 January 1979  |
Issue 7 July 1987  | Issue 8 January 1988  | Issue 9 June 1988  | Issue 10 January 2000  | Issue 11 March 2000  | Issue 12 October 2000  |
Issue 1 July 1977 | Issue 2 October 1977 | Issue 3 January 1978 | Issue 4 May 1978 | Issue 5 August 1978 | Issue 6 January 1979 |
Issue 7 July 1987 | Issue 8 January 1988 | Issue 9 June 1988 | Issue 10 January 2000 | Issue 11 March 2000 | Issue 12 October 2000 |