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Various texts and miscellaneous papers; postcards and prints of illustrations of plants and flowers, correspondence, pamphlets. Subjects including Botany papers; Weeds; Working papers on weeds; Correspondence; Natural History; Lee Valley and Chelsea

Material relating to the National Rose Species Collection including correspondence, minutes, reports, an indexed catalogue and notebooks, 1948-1961 and the Keeper of the Rose Collection, Gordon Rowley including correspondence, publications

Cytology of Rosa Species 1: hardback (green); catalogue A - K.; 'Index of all published facts relating to chromosome number, behaviour at melosic and gametogensis in the Genus Rosa'

National Rose Species Collection: 'Bayfordbury, Hertford, Herts, founded 1948', 'Catalogue of Species and Hybrids in cultivation listed alphabetically, Sept 1961', A - L.

Notebook: (handwritten) title; A.H Wolley-Dod, Original Notes on British Roses, Vol. I.

Notebook: entitled Rosa Experimental: Gordon Rowley's handwritten notes on experiments from 1948-1958