LDGSL/1107/A/1/5
England and Cambridge University, 1968
Jun-Dec 1968
LDGSL/1107/A/1/11
General scientific correspondence, 1971
Jan-Jul 1971
LDGSL/1107/A/1/12
General scientific correspondence, 1972
1972
LDGSL/1107/C/2/2
Photograph of Dan McKenzie at Caltech, Spring 1967
[Mar-May 1967]