OVA Newsletter - 1979-2005
 January 2005 Vol 26/1 | |  April 2005 Vol 26/2 | |  July 2005 Vol 26/3 | |  October 2005 Vol 26/4 |
 January 2004 Vol 25/1 | |  April 2004 Vol 25/2 | |  July 2004 Vol 25/3 | |  October 2004 Vol 25/4 |
 January 2003 Vol 23/4 | |  April 2003 Vol 24/1 | |  July 2003 Vol 24/2 | |  October 2003 Vol 24/3 |
 January 2002 Vol 23/1 | |  April 2002 Vol 23/2 | |  July 2002 Vol 23/3 | |  October 2002 Vol 23/3 |
 January 2001 Vol 22/1 | |  April 2001 Vol 22/2 | |  July 2001 Vol 22/3 | |  October 2001 Vol 22/4 |
 January 2000 Vol 21/1 | |  April 2000 Vol 21/2 | |  July 2000 Vol 21/3 | |  October 2000 Vol 21/4 |
 January 1999 Vol 20/1 | |  April 1999 Vol 20/2 | |  July 1999 Vol 20/3 | |  October 1999 Vol 20/4 |
 January 1998 Vol 19/1 | |  April 1998 Vol 19/2 | |  July 1998 Vol 19/3 | |  October 1998 Vol 19/4 |
 January 1997 Vol 18/1 | |  April 1997 Vol 18/2 | |  July 1997 Vol 18/3 | |  October 1997 Vol 18/4 |
 January 1996 Vol 17/1 | |  April 1996 Vol 17/2 | |  July 1996 Vol 17/3 | |  October 1996 Vol 17/4 |
 January 1995 Vol 16/1 | |  April 1995 Vol 16/2 | |  July 1995 Vol 16/3 | |  October 1995 Vol 16/4 |
 January 1994 Vol 15/1 | |  April 1994 Vol 15/2 | |  July1994 Vol 15/3 | |  October 1994 Vol 15/4 |
 January 1993 Vol 14/1 | |  April 1993 Vol 14/2 | |  July 1993 Vol 14/3 | |  October 1993 Vol 14/4 |
 January 1992 Vol 13/1 | |  April 1992 Vol 13/2 | |  July 1992 Vol 13/3 | |  October 1992 Vol 13/4 |
 January 1991 Vol 12/1 | |  April 1991 Vol 12/2 | |  July 1991 Vol 12/3 | |  October 1991 Vol 12/4 |
 January 1990 Vol 11/1 | |  April 1990 Vol 11/2 | |  July 1990 Vol 11/3 | |  October 1990 Vol 11/4 |
 January 1989 Vol 10/1 | |  April 1989 Vol 10/2 | |  July 1989 Vol 10/3 | |  October 1989 Vol 10/4 |
 January 1988 Vol 9/1 | |  April 1988 Vol 9/2 | |  July 1988 Vol 9/3 | |  October 1988 Vol 9/4 |
 January 1987 Vol 8/1 | |  April 1987 Vol 8/2 | |  July 1987 Vol 8/3 | |  October 1987 Vol 8/4 |
 January 1986 Vol 7/1 | |  April 1986 Vol 7/2 | |  July 1986 Vol 7/3 | |  October 1986 Vol 7/4 |
 January 1985 Vol 6/1 | |  April 1985 Vol 6/2 | |  July 1985 Vol 6/3 | |  October 1985 Vol 6/4 |
 January 1984 Vol 5/1 | |  April 1984 Vol 5/2 | |  July 1984 Vol 5/3 | |  October 1984 Vol 5/4 |
 January 1983 Vol 4/1 | |  April 1983 Vol 4/2 | |  July 1983 Vol 4/3 | |  October 1983 Vol 4/4 |
 January 1982 Vol 3/1 | |  April 1982 Vol 3/2 | |  July 1982 Vol 3/3 | |  October 1982 Vol 3/4 |
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 January 1981 Information Sheet No 5 | |  April 1981 Information Sheet No 6 | |  July 1981 Information Sheet No 7 | |  October 1981 Information Sheet No 8 |
No publication | |  March 1980 Information Sheet No 2 | |  July 1980 Information Sheet No 3 | |  October 1980 Information Sheet No 4 |
| | | | | |  October 1979 Information Sheet No 1 |