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Negatives: Barley varieties for thesis on clasification taken at Aberdeen Idaho, Sacaton, Arizona
Negatives: Barley varieties for thesis on clasification taken at Aberdeen Idaho, Sacaton, Arizona
Box 4: David Hopwood collection
Box 4: David Hopwood collection
Box 8: David Hopwood collection
Box 8: David Hopwood collection
Notes on Plant Breeding Institute material
Notes on Plant Breeding Institute material
Royal Society: Candidates, election and Royal Society Year Book
Royal Society: Candidates, election and Royal Society Year Book
Opening of the Main Building and Douglas Bell building at the Plant Breeding Institute and Bell's retirement dinner
Opening of the Main Building and Douglas Bell building at the Plant Breeding Institute and Bell's retirement dinner
Notes for addresses: Clive Behrens Lectures
Notes for addresses: Clive Behrens Lectures
George Douglas Hutton Bell various personal notes for lectures
George Douglas Hutton Bell various personal notes for lectures
Various articles with notes by GDH Bell on cereal physiology, photosynthesis, productivity, climate and yield and meteorology
Various articles with notes by GDH Bell on cereal physiology, photosynthesis, productivity, climate and yield and meteorology
Photographs of buildings and aspects of breeding techniques
Photographs of buildings and aspects of breeding techniques