Notes on Sowing, incl. Hybrid Vigour
Notes on suitability of Cambridge selections for canning
From box labeled 'Notes of Talks 1950s-1980': hand-written and typed lecture notes and papers of talks given by DH at universities, societies, conferences and seminars etc., some correspondence.
'Notes on Tulip Species' by AD Hall, and correction proof for the Gardeners' Chronicle
Notes on Tulip "thieves"( a form of tulip seen particularly in early single varieties including White Swan, and Cardinal)
Notes on Tulipa: miscellaneous notes including: 'brief report on 1929 results', 'old tulip varieties' and a booklet in Dutch on cytology.
Notes on Tulipa: miscellaneous notes on different varieties
Notes on Tulips by Lilly and William Newton and labelled pressed Tulip petals, including notes with special reference to cytology and lists of Tulip with name of parent and name and colour of sport
Manuscript. Headings include 'Primula' and 'Beans'. Found with those on Melanism in B.2-B.4 above.