GUA/6/1/1/1/8/3/10
IPI seminars and conferences, 1988-1990
29 January 1988 - 3 December 1990
HJSY/2/14
Conversations 1988
27 January 1988 - 3 August 1988
HJSY/2/15
Conversations 1989
21 May 1989 - 4 December 1989
HJSY/2/18
Conversations 1992
9 January 1992 - 7 December 1992
HJSY/2/19
Conversations 1993
28 January 1993 - 16 December 1993