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Issues
- #26 August 1978 [101] 26 August 1978
- #26 August 1989 [667] 26 August 1989
- #26 December 1981 [267] 26 December 1981
- #26 December 1987 [580] 26 December 1987
- #26 December 1992 - 2 January 1993 [840] 26 December 1992
- #26 February 1977 [23] 26 February 1977
- #26 February 1983 [328] 26 February 1983
- #26 January 1980 [172] 26 January 1980
- #26 January 1985 [428] 26 January 1985
- #26 January 1991 [741] 26 January 1991
- #26 July 1980 [193] 26 July 1980
- #26 July 1986 [506] 26 July 1986
- #26 June 1982 [293] 26 June 1982
- #26 March 1977 [27] 26 March 1977
- #26 March 1983 [332] 26 March 1983
- #26 March 1988 [593] 26 March 1988
- #26 May 1979 [137] 26 May 1979
- #26 May 1984 [393] 26 May 1984
- #26 May 1990 [706] 26 May 1990
- #26 November 1977 [62] 26 November 1977
- #26 November 1983 [367] 26 November 1983
- #26 November 1988 [628] 26 November 1988
- #26 October 1985 [467] 26 October 1985
- #26 October 1991 [780] 26 October 1991
- #26 September 1981 [254] 26 September 1981
- #26 September 1987 [567] 26 September 1987
- #26 September 1992 [827] 26 September 1992
- #27 April 1985 [441] 27 April 1985
- #27 April 1991 [754] 27 April 1991
- #27 August 1977 [49] 27 August 1977
- #27 August 1983 [354] 27 August 1983
- #27 August 1988 [615] 27 August 1988
- #27 December 1980 [215] 27 December 1980
- #27 December 1986 [528] 27 December 1986
- #27 February 1982 [276] 27 February 1982
- #27 February 1988 [589] 27 February 1988
- #27 February 1993 [848] 27 February 1993
- #27 January 1979 [120] 27 January 1979
- #27 January 1990 [689] 27 January 1990
- #27 July 1985 [454] 27 July 1985
- #27 July 1991 [767] 27 July 1991
- #27 June 1981 [241] 27 June 1981
- #27 June 1987 [554] 27 June 1987
- #27 June 1992 [814] 27 June 1992
- #27 March 1982 [280] 27 March 1982
- #27 May 1978 [88] 27 May 1978
- #27 May 1989 [654] 27 May 1989
- #27 November 1976 [10] 27 November 1976
- #27 November 1982 [315] 27 November 1982
- #27 October 1979 [159] 27 October 1979
- #27 October 1984 [415] 27 October 1984
- #27 October 1990 [728] 27 October 1990
- #27 September 1980 [202] 27 September 1980
- #27 September 1986 [515] 27 September 1986
- #28 April 1979 [133] 28 April 1979
- #28 April 1984 [389] 28 April 1984
- #28 April 1990 [702] 28 April 1990
- #28 August 1982 [302] 28 August 1982
- #28 December 1985 [476] 28 December 1985
- #28 February 1981 [224] 28 February 1981
- #28 February 1987 [537] 28 February 1987
- #28 January 1978 [71] 28 January 1978
- #28 January 1984 [376] 28 January 1984
- #28 January 1989 [637] 28 January 1989
- #28 July 1979 [146] 28 July 1979
- #28 July 1984 [402] 28 July 1984
- #28 July 1990 [715] 28 July 1990
- #28 June 1980 [189] 28 June 1980
- #28 June 1986 [502] 28 June 1986
- #28 March 1981 [228] 28 March 1981
- #28 March 1987 [541] 28 March 1987
- #28 March 1992 [801] 28 March 1992
- #28 May 1977 [36] 28 May 1977
- #28 May 1983 [341] 28 May 1983
- #28 May 1988 [602] 28 May 1988
- #28 November 1981 [263] 28 November 1981
- #28 November 1987 [576] 28 November 1987
- #28 November 1992 [836] 28 November 1992
- #28 October 1978 [110] 28 October 1978
- #28 October 1989 [676] 28 October 1989
- #28 September 1985 [463] 28 September 1985
- #28 September 1991 [776] 28 September 1991
- #29 April 1978 [84] 29 April 1978
- #29 April 1989 [650] 29 April 1989
- #29 August 1981 [250] 29 August 1981
- #29 August 1987 [563] 29 August 1987
- #29 August 1992 [823] 29 August 1992
- #29 December 1979 [168] 29 December 1979
- #29 December 1984 [424] 29 December 1984
- #29 December 1990 [737] 29 December 1990
- #29 February 1992 [797] 29 February 1992
- #29 January 1977 [19] 29 January 1977
- #29 January 1983 [324] 29 January 1983
- #29 July 1978 [97] 29 July 1978
- #29 July 1989 [663] 29 July 1989
- #29 June 1985 [450] 29 June 1985
- #29 June 1991 [763] 29 June 1991
- #29 March 1980 [181] 29 March 1980
- #29 March 1986 [489] 29 March 1986
- #29 May 1982 [289] 29 May 1982