C.990-C.995: Correspondence, etc., regarding research on bacilysin and related substances, 1957, 1962-1975, 1981-1991. The correspondents comprise Abraham's colleagues and other scientists working in various countries.

C.996-C.1009: Published papers, 1965-1970 or [?after].

C.996-C.997: 'Production and Purification of Bacilysin', by Abraham, G.G.F. Newton and H.J. Rogers, Biochemical Journal 97, 1965. 13pp manuscript draft with revisions; later typescript draft with manuscript revisions (including draft figures). Proof with manuscript corrections; offprint with manuscript annotations.

C.998-C.999: 'Observations on the Structure of Bacilysin' by Abraham et al., Biochemical Journal 97, 1965. 24pp typescript draft, with manuscript revisions, and draft figures, and proof.

C.1000: 'Experiments relating to the Biosynthesis of Bacilysin', by Abraham and J. Roscoe, Biochemical Journal 99, 1966. 21pp manuscript draft with revisions; later incomplete 2pp typescript draft with manuscript revisions; offprint.

C.1001: 'Isolation of Bacilysin and a New Amino Acid from Culture Filtrates of Bacillus subtilis', by Abraham and J.E. Walker, Biochemical Journal 118, 1970. Copy of 11pp typescript and figures, etc; proof.

C.1002-C.1003: 'The Structure of Bacilysin and Other Products of Bacillus subtilis', by Abraham and J.E. Walker, Biochemical Journal 118, 1970. 15pp typescript draft, with manuscript revisions, and legends for figures etc. Copy of revised typescript and proof.

C.1004: 'Antibiotic Production and Sporulation in B. subtilis', by Abraham and J.E. Walker, [?1970 or after]. Publication details unknown. 7pp typescript draft with manuscript revisions.

C.1005: 'Effect of Bacilysin on Certain Fungi and Yeasts', by Abraham and J.E. Walker, [?1970 or after]. Publication details unknown. 2pp typescript draft, possibly incomplete, with manuscript revisions; copy of typescript revised version, with photographs for figures.

C.1006: 'Carbobenzoxy Derivative of Bacilysin', by Abraham and J.E. Walker, [?1970 or after]. Publication details unknown. Copy of 2pp typescript and photographs for figures.

C.1007: 25pp untitled manuscript draft of paper regarding experiments on bacilysin, with revisions, [?1970 or later].

C.1008-C.1009: Untitled drafts of paper regarding experiments on bacilysin, [?1970 or after]. 35pp typescript draft of main text with manuscript revisions. Part of another typescript draft of the paper with manuscript revisions; copy of typescript draft, with manuscript revisions, of captions for figures etc, with photographs.

C.1010-C.1011: Correspondence with various scientists and organisations regarding research on bacilysin, 1962-1965. A few letters relate to the preparation of some of the papers in C.996-C.1009.

C.1012-C.1014: Reports, experimental results and research programmes, etc., regarding studies on bacilysin compiled by Abraham and his co-workers, 1962-1965, c.1966. Mostly typescript, some with manuscript annotations.

C.1015, C.1016: Miscellaneous notes and data, mostly manuscript, some possibly relating to the preparation of the papers in C.996-C.1009.