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Two letters and an article from Dr L E Gorbatenco to J G Hawkes, a letter to Dr Olga Lekhnovich, St Petersburg, Russia with notes and comments about the work of her father Dr V Lekhnovich and a list entitled Correspondence between Dr J Percival and Dr N Vavilov discovered in St Petersburg's Central State Archive of Scientific and Technical Documents

Letter to Dr Olga Lekhnovich, St Petersburg, Russia with notes and comments about the work of her father Dr V Lekhnovich, particularly his work on potato varieties, Hawkes collecting expedition to South America with E K Balls, Hawkes visit to Russia and work with Lekhnovich and his colleague Dr Bukasov

Six black and white portrait photographs of (mainly) Russian scientists on blue paper, eight photographs from J G Hawkes visit to Leningrad and Moscow in 1956 and photographs (photocopies) taken by Vavilov during his Ethiopian Expedition in 1926. Envelope of photographs marked from Mrs Tatiana Lassan, N I Vavilov Institute (Russia) to Prof. Jack J Hawkes

Six black and white portrait photographs of (mainly) Russian scientists on blue paper

Portrait photograph of John Percival

Photograph of Mrs Heining [?] at Peterhof Gardens, St Petersburg, taken on J G Hawkes vsit to Leningrad and Moscow

Photograph of the Botanical Institute, Moscow