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| Newsletter 047 January 1975 | | New |
| Newsletter 048 February 1975 | | New |
| Newsletter 049 March 1975 | | New |
| Newsletter 050 April 1975 | | New |
| Newsletter 051 May 1975 | | New |
| Newsletter 052 June 1975 | | New |
| Newsletter 053 July 1975 | | New |
| Newsletter 054 August 1975 | | New |
| Newsletter 055 September 1975 | | New |
| Newsletter 056 October 1975 | | New |
| Newsletter 057 November 1975 | | New |
| Newsletter 058 December 1975 | | New |
| Newsletter 059 January 1976 | | New |
| Newsletter 060 February 1976 | | New |
| Newsletter 061 March 1976 | | New |
| Newsletter 062 April 1976 | | New |
| Newsletter 063 May 1976 | | New |
| Newsletter 064 June 1976 | | New |
| Newsletter 065 July 1976 | | New |
| Newsletter 066 August 1976 | | New |
| Newsletter 067 September 1976 | | New |
| Newsletter 068 October 1976 | | New |
| Newsletter 069 November 1976 | | New |
| Newsletter 070 December 1976 | | New |
| Newsletter 071 January 1977 | | New |
| Newsletter 072 February 1977 | | New |
| Newsletter 073 March 1977 | | New |
| Newsletter 074 April 1977 | | New |
| Newsletter 075 May 1977 | | New |
| Newsletter 076 June 1977 | | New |
| Newsletter 077 July 1977 | | New |
| Newsletter 078 August 1977 | | New |
| Newsletter 079 September 1977 | | New |
| Newsletter 080 October 1977 | | New |
| Newsletter 081 November 1977 | | New |
| Newsletter 082 December 1977 | | New |
| Newsletter 083 January 1978 | | New |
| Newsletter 084 February 1978 | | New |
| Newsletter 085 March 1978 | | New |
| Newsletter 086 April 1978 | | New |
| Newsletter 087 May 1978 | | New |
| Newsletter 088 June 1978 | | New |
| Newsletter 089 July 1978 | | New |
| Newsletter 090 August 1978 | | New |
| Newsletter 091 September 1978 | | New |
| Newsletter 092 October 1978 | | New |
| Newsletter 093 November 1978 | | New |
| Newsletter 094 December 1978 | | New |
| Newsletter 095 January 1979 | | New |
| Newsletter 096 February 1979 | | New |
| Newsletter 097 March 1979 | | New |
| Newsletter 098 April 1979 | | New |
| Newsletter 099 May 1979 | | New |
| Newsletter 100 June 1979 | | New |
| Newsletter 101 July 1979 | | New |
| Newsletter 102 August 1979 | | New |
| Newsletter 103 September 1979 | | New |
| Newsletter 104 October 1979 | | New |
| Newsletter 105 November 1979 | | New |
| Newsletter 106 December 1979 | | New |