Boyd Line Ltd., its various subsidiaries and associated companies > Boyd Line company working files > Records relating to the fishing, processing and selling of mackerel, the Wet Mackerel Consortium and the Frozen Mackerel Consortium > Meeting notes with various companies, Campex, Joint Trawlers England, Atalanta (UK) about supply of mackerel from the Frozen Mackerel Consortium, mackerel licenses, chartering of vessels, business with Japan, Ghana and Nigeria (during the Rhodesian Bush