Lecture by Normann Dott, 'Acute spontaneous subarachnoid haemorrhage'. The paper was given to the College of Physicians and Surgeons of South Africa, Cape Town, dated September 1957. The material consists of the text of the lecture (pp. 1-4 only - see coll-32/D.112 for amended version), and brief correspondence regarding its publication.

Lecture by Norman Dott, 'Acute spontaneous subarachnoid haemorrhage. The material begins with p.5 of Coll-32/D.111 and continues with manuscript additions, list of cases and treatments, etc. It contains a manuscript note which dates it '1957 amended 1962'.

Copy of letter from Norman Dott to Doctor Robert W. Saxton, dated 1964. The letter discusses Dott's operative treatment of aneurysms.

Introduction to address on 'Acute spontaneous subarachnoid haemorrhage', given by Norman Dott and F.J. Gillingham to the Faculty of Medicine, University of Porto, dated May 1962.

Lecture by Norman Dott, 'Ruptured intracranial aneurysms'. The material consists of text of lecture with 56 slides, dated September 1963.

Lecture by Norman Dott, 'The surgery of intracranial aneurysms'. The paper was delivered to Southport Medical Society, dated December 1963.