Correspondence, accepting and declining invitations both in Australia and overseas, 1971-1972 Box 9 Unit ID: 77-79 Date: 1971/1972
Correspondence and submissions for underground loop for Melbourne, 1968-1969 Box 12 Unit ID: 107 Date: 1968/1969
Correspondence including some from Australian Environment Council, 1968-1972 Box 9 Unit ID: 82 Date: 1968/1972
Correspondence, invitations, pamphlets, 1961, 1966, 1972 Box 12 Unit ID: 109-111 Date: 1961, 1966, 1972
Correspondence, newspaper clippings, copy of speech by Lee Kuan Yew, 1968-1969 Box 12 Unit ID: 106 Date: 1968/1969