Safeguarding the Purity of Public Water Supplies,by D. HALTON THOMSON,M.A.,M.INST.C.E.,Engineer to the Portsmouth Water Company

Ministry of Health. 1938. " Report on a Public Local Inquiry into the Outbreak of Typhoid Fever at Croydon in October and November, 1937." Cmd. 5664. H.M. Stationery Office.

D. Forbes. 1938. " Water-borne Typhoid." The Lancet, March 5th. Summarizes the causes of various typhoid outbreaks associated with water supply in this country since 1879.

A.C. Houston. 1913. " Studies in Water Supply." Chapter VII, " Water and Disease ." Macmillan & Co.

Ministry of Health. 1938. Circular letter (1684), dated March 12th (" Water Supplies "), sent to town councils, etc.

G.H. Thistleton-Dyer . 1937. " Water Supply and Town Planning ." Proc. British Waterworks Association (1938 ), Vol. XX, pp. 17-28.

Ministry of Health. 1936. Model Byelaws XXI. " Prevention of Waste, etc., of Water." Byelaws 2 (xviii) and (xxviii). H.M. Stationery Office.

J.C. Thresh , J.F. Beale and E.V. Suckling. 1933. " The Examination of Waters and Water Supplies." Fourth Edition. Chapter XXXIII, " Pathogenic Organisms in Water ." J. & A. Churchill.

G. Ewart Morgans . 1935. " The Purification of Water by Ozone." Proc. British Waterworks Association ( 1936), Vol. XVIII, pp. 56-121.