Publications
The Sussex Gap Towns, a Geographical Analysis, by D. Burtenshaw, 1963 at University of London (M.A. thesis)
Sussex in Research Theses, by D. Burtenshaw, published May 1964 in Sussex Notes & Queries (vol. XVI no. 3, note, pp.105-106) accessible at: W.S.R.O. [Lib 8234] & The Keep [LIB/500218] & S.A.S. library