LDGSL/1107/A/1/32
General correspondence, 1992
1992
LDGSL/1107/A/1/33
General correspondence, 1993
Jan-December 1993
LDGSL/1107/B/6/8
Working files for "The generation of kimberlites, lamproites, and their source rocks" (1994)
1991-Jan 1994
LDGSL/1107/B/6/9
Working files for "The source regions of ocean island basalts" (1995)
1990-1994