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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

Four pages listing forty eight letters giving names, dates and filing reference, for letters dated 1921 - 25 March 1936

Photocopy of a photograph of native carrying water, taken by Vavilov during his Ethiopian Expedition in 1926

Photocopy of a photograph of native grinding grains in a mortar, taken by Vavilov during his Ethiopian Expedition in 1926

Photocopy of a photograph of native preparing flour by means of the Stone Saddle Quern, taken by Vavilov during his Ethiopian Expedition in 1926

Photocopy of a photograph of natives ploughingl, taken by Vavilov during his Ethiopian Expedition in 1926

Photocopy of a photograph of Vavilov's caravan with collected material, taken by Vavilov during his Ethiopian Expedition in 1926

Photocopy of an envelope containing the photographs from from Royal Botanic Gardens, Kew to Professor J Percival, University College, Reading 1927