B.D.D.A.  Report of a Working Party of the British Deaf and Dumb Association formed to Study and Comment on the Lewis Report. Carlisle: B.D.D.A., 1970. See p.7.

CRAIG, E. The Paget Gorman Sign System: A Report of the Research Project, 1970 — 1973. Dept. of Linguistic Science, Univ. of Reading, 1973.

D.E.S.  The Education of Deaf Children: the possible place of finger spelling and signing. Report of the Committee appointed by the Secretary of State for Education and Science, 1964 (The Lewis Report). London: H.M.S.O., 1968. In particular see paras. 32(c), 73, 156, 195, 319.

GORMAN, P. The Paget Gorman Sign System: Its Origins and Development. London, 1972.

PEARSON, E.E.  The Paget Gorman Sign System with the Under Sevens: Report on a Feasibility Study with Young Hearing Impaired Children in Norfolk, 1972 — 1977. Norfolk County Audiology Service, 1978.