Includes correspondence with Imperial College (on exchange of ancestor seeds, results of Host-range tests with Anguina tritici with chart and illustrations), Nara University, Japan, (sharonensis chromosome), Munich (mildew resistance, wheat/rye crosses, Holdfast/King II, substitution lines), Bulgarian Academy of Sciences (aneuploidy, Chinese Spring10/13), Afghanistan (chromosome numbers for Aegilops), Cereal Genetics Research Unit, Columbia (dimonotelosomics, 2A substitution lines, adherence), University of Calgary, Canada (from B C Sharman), University of Manitoba, Canada (Chinese Spring, wheat and rye crosses), Centro de Biologia, Portugal ( Wanda S Viegas: PhD, Chinese Spring), PBIC (from the Director on visit to Moscow, talks with Tsitsin, seed from Moscow Botanic Garden- wheat and Elymus hybrids), The University of Dundee (Dr T H Nicolson, Triticum and Aegilops), University College, Bangor ( the Nepal expedition 1971- description, lists of wheat accessions, institutions receiving seed, crop collections), Memo on Mycenaean documents, deciphering Linear B, Department of Scientific and Industrial Research, New Zealand (Pusa 4, glume fertility), University of Sydney (Compair, rust resistance from Aeg. comosa)
