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- Welsh Plant Breeding Station., 1 results
- National Institute of Agricultural Botany (Great Britain), 1 results
- Welsh Black Cattle Society -- Records and correspondence., 1 results
- Stapledon, Reginald George, 1882-1960, 1 results
- Dunns Farm Seeds Ltd -- Records and correspondence., 1 results
- Welsh Seeds Growers Federation -- Records and correspondence., 1 results
- Welsh Plant Breeding Station -- Archives., 1 results
- British Grassland Society -- Archives., 1 results
- Dunns Farm Seeds Ltd., 1 results
- Jenkin, T. J. (Thomas James), 1885-1965 -- Archives., 1 results