Tariff Board enquiry - transcripts, 31 May - 7 June 1971 Box 22 Unit ID: [unnumbered] Date: 31 May - 7 June 1971
Tariff Board enquiry - transcripts, 8 June - 14 December 1971 Box 23 Unit ID: [unnumbered] Date: 8 June - 14 December 1971