A P T letterhead

Index of newsletters

ISSN 0155-8234

Year1234
2001 April
2000
1999 February  July December 
1998 March June October
1997 March June August December
1996 February May August November
1995 February May August November
1994 March May August November
1993 February May August November
1992 February May August November
1991 March May August November
1990 June July September  November 
1989 February April August December
1988 May June August
1987 August December
1986 March December
1985 February May December
1984 March May October
1983 February April May September
1982 January March July August September
1981 March May October November
1980 March August October
1979 February April June August October December
1978 February April June August October December 
1977 February March April May June August October  Annual report
November
1976 January February  March April June July August September-October  1st annual report  November  December 

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