This sub-subseries contains material relating to Norman Dott's lectures to postgraduate students.The first group of lectures Coll-32/C.11-C.27 dates from 1929-1933 when Dott was Lecturer in Surgery and Pediatric Surgery, University of Edinburgh (in 1925-1947). Many of the remaining lectures Coll-32/C.28-C.47 cover the period of Dott's service as Professor of Neurological Surgery at University of Edinburgh (in 1947-1962) and were given for the Edinburgh Post-graduate Board for Medicine. Dott sometimes used his post-graduate lectures as the basis for conference papers or invitation lectures given elsewhere: see Coll-32/D.38, D.46, D.57, D.63, D.96, D.105-107, D.194-197.