O/S Visitor- Dr R. Tredgold 1969, February - August 1969 Box 14 Unit ID: 134 Date: February - August 1969
O/S Visitor-Dr W. Buchanan 1971, November 1970-May 1971 Box 16 Unit ID: 155 Date: November 1970-May 1971
O/S Visitor - Dr W. Clark 1972, October 1971-March 1972 Box 17 Unit ID: 169 Date: October 1971-March 1972
O/S Visitor-Dr W. Goody 1968, September 1967-March 1968 Box 12 Unit ID: 110 Date: September 1967-March 1968
O/S Visitor-Dr W. Jones-Williams 1972, August 1970-November 1972 Box 18 Unit ID: 171 Date: August 1970-November 1972
O/S Visitor - Dr W. Whitmore 1971, April 1970-June 1971 Box 17 Unit ID: 164 Date: April 1970-June 1971
O/S Visitor-Mr Alan Parkes 1977, October 1976-April 1977 Box 18 Unit ID: 177 Date: October 1976-April 1977