Correspondence with the BBC and others, 1973-1974.

Correspondence with the BBC, and others, 1973-4. Includes correspondence with Patrick Beesly, Rear- Admiral K Farnhill, Brian Schofield, Rear Admiral Morgan Giles, Arthur Marder, John Costello, David Kahn, E Montagu and G Wansbrough, re: Rohwer and Frederick Winterbotham.