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Booklet: 'Vernalization or Lyssenko's Method for the Pre-treatment of seed' by R O Whyte, PH.D and P S Hudson, PH.D, Bulletin No. 9 of the Imperial Bureau of Genetics

National Seed Development Organisation; leaflets: Avalon winter wheat, Bounty winter wheat, Norman winter wheat, Virtue winter wheat, Brigand winter wheat, ;Wheat: a guide to varieties from the Plant Breeding Institrute'. 'Developments in Plant Breeding', by Ralph Riley, Agric.Progress, 1974, 49:1-16

2 University of Cambridge Committee black and white aerial photographs of the Plant Breeding Institute and a letter from J K S St Joseph to Douglas, 26 August 1974 giving permission to publish