HJSY/2/2
Conversations 1969-1976
5 November 1969 - 18 November 1976
HJSY/2/3
Research conversations 1976 and related papers
1976
HJSY/2/6
Conversations 1980
2 January 1980 - 18 November 1980
HJSY/2/7
Conversations 1981
8 January 1981 - 5 December 1981
HJSY/2/12
Conversations 1986
5 January 1986 - 10 December 1986