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Cairo Conference (Apr 1992) correspondence, papers and report on breeding resistance; visit to Syria; correspondence with China.

11 watercolour painings of Calceolaria (Slipperwort): 1. Watercolour on white card (19.7 x 17 cm), depicting a sprig of yellow Calceolaria, inscribed below 'vvigata x cana 22/14'. No date. 2. Watercolour (x 2): pair of watercolours attached by tape, larger painting (2.a) brown board/card (27.2 x 24.6 cm) depicting a spray of yellow Calceolaria on grey/green background, inscribed 'augustifolia x dentata, 25/14'. Smaller attached painting (2.b) on white card depicts a sprig of leaves, inscribed '25/14'. No date. 3. Watercolour on brown board/card (30.6 x 25.5 cm) depicting a spray of yellow Calceolaria on grey/green background, inscribed 'dentata x plantaginea, 27/14'. Note: catalogue ref.5C.3 suggests this was a pair as above (2.a & b), smaller painting missing (Mar 2024). No date. 4.Watercolour (x 2): pair of watercolours attached by tape, larger painting (4.a) brown board/card (23.4 x 19.0 cm) depicting a spray of yellow Calceolaria on grey/green background, inscribed 'dentata x integrifolia, 43/14'. Smaller attached painting (4.b) on white card depicts a sprig of leaves, inscribed '43/14'. No date. 5. Watercolour on brown board/card (22.9 x13.3cm) depicting a spray of yellow Calceolaria on grey/green background, inscribed 'factuscaefolia x plantaginea, 59/15'. No date. 6. Watercolour (x 2): pair of watercolours attached by tape, larger painting (6.a) brown board/card (25.5 x 19.0 cm) depicting a spray of yellow Calceolaria on grey/green background, inscribed 'dentata selfed, 2/14'. Smaller attached painting (6.b) on white card depicts a sprig of leaves, inscribed 'dentata selfed, 2/14'. No date. 7. Watercolour on brown board/card (27.1 x 34.6cm) depicting a spray of yellow Calceolaria on grey/green background, inscribed '31/14', signed HCO. No date. 8. Watercolour on cream paper, depicting two flower sprigs of three yellow Calceolaria crenatiflora petals, middle one elongated, inscribed 'II.V.1912, Peloric flower on c. crenatiflora', 1912.

Californian and Other West American Bulbs and Plants, Carl Purdy, Ukiah, California

Californian and Other West American Bulbs and Plants, Carl Purdy, Ukiah, California

Californian Wild Flower Seeds, Lester Rowntree & Company, Carmel, California, U.S.A

Loose page: Calochortus macrocarpus: illustrated botanical painting, plate 8, from the Transactions of the Horticultural Society of London, Vol. 7 (1830). The colours are different to the original or faded. In folder of loose pages of botanical painting prints from published volumes including the 'Transactions of the Horticultural Society of London' and William Curtis, 'The Botanical Magazine; or, Flower-Garden Displayed'.

Loose page: Calochortus venustus, Triteleia Laxa and Cyclobothra Alba: illustrated botanical painting, plate 15, from the Transactions of the Horticultural Society of London, 2nd Series, Vol. 1 (1835). In folder of loose pages of botanical painting prints from published volumes including the 'Transactions of the Horticultural Society of London' and William Curtis, 'The Botanical Magazine; or, Flower-Garden Displayed'.

Collaborations, breeding trials, reports, correspondence, Gerard Duc, Ann Schneider.

Large (57.5 x 41 cm) red hardback photograph album embossed in gold lettering 'John Innes Institute', 'Cambridge and Colney': an album of photographs of the Virus Research Unit, Cambridge; the John Innes Centre and the Cambridge Laboratory (formerly the Plant Breeding Institute). Includes an index, 3 pp, listing page references and descriptions of photographs. Photographs include members of VRU staff, visiting workers, the VRU unit, glasshouses etc., BBC 'What is Life' stills (1959), Willow Grange Farm, (1964), construction of the new buildings: Electron Microscopy Block, Dept. of Virology etc. (1969), John Innes Football Team (c 1971-2) back row, left to right: unknown, unknown, Joe Aldous, unknown, Keith Roberts, Ray Martin; front row, left to right: Albert Larke, Jeremy Hyams, George Evans, Rod Casey and Jim Dunwell. People: Joe Aldous Kay Ashworth Auger Bert Baker Dr (Frederick?) Bawden Yvonne Carter Rod Casey L F La Cour Jack and Frank O'Dell D Roy Davies David Dunn Jim Dunwell Alan Evans George Evans Ian Flack Pam Flack Elaine Free Simon Frey Graham Hills Jack Hitchbon Robert W Horne Jeremy Hyams Colnel J Innes Michael Johnson Albert Larke David Lipkin David Luckhurst Roy Markham Ray Martin Penny Morell Dr Nikolic (Yugoslavia) Bill Northrop Joyce Pitt Kitty Plaskitt Mrs Plaskitt and Mr H M Plaskitt (Kitty's parents) Maurice Rees Mr Revells Claude Rivers Keith Roberts Leonard Selmes Pam Shadrach Margaret Short Kyril Sidor John D Smith Kenneth Manley Smith Sheila Vernon Smith Roger Stobbard Mr Street Bob Symons (Australia) Reggie Trim Rick Van Velsen Ted Wells Dr Yarwood (USA) Miss C M Yeomans Sheila or Janet? Barnard? Barbara?

Cambridge book of lecture notes, experiments, prints on paper of experiments: Aerial Enzymic Hydrolyses, RNA, Hydrolysis, Ascites, Bacteriophage