Included at D.68 is a small softback exercise book containing data, inscribed as follows: on cover, 'Haemoph. rough tabulation to May 1908'; inside cover, 'families of which neither parent was a bleeder'.
Box labelled 'Notes of Talks 1981-': Handwritten and typed notes and drafts for talks and lectures; includes some correspondence, flyers etc.
Loose mostly handwritten notes and diagrams on Aquilegia and Anagallis and typed notes on work by E M Marsden Jones and Heribert Nilsson. Includes a handwritten note from E M Marsden Jones and a postcard from L C Wilson.
Score books 1929 and 1933, Gentiana in French flora, reprint from The American Naturalist 1933 on mutant Aquilegia, list of plants collected by BS in Spain and Portugal in 1935, pollen observations on Tulipa (notes and drawings), 1933-1934
Notes on bees and pollination, newspaper cuttings, list of publications of the bee research assoc., 2 letters: to DB from the County Bee-Keeping Instructor (Norwich), April 1956 and to DB from Colin G Butler, Rothamsted Experimental Station, June 1956 replying to questions about honeybees tripping field beans and other bee related questions.