Trevelyan, G.M. (1944). English Social History. London . Longmans Green.
2.
Pear, T.H. (1955). English Social Differences. London. Allen and Unwin.
3.
Allison, V.D. (1952). Food Poisoning: Medicine and Pathology. Med. History Second World War. H.M.S.O.463-480.
4.
Food Poisoning in England and Wales, 1950. (1951). Mon. Bull. Minist. Health Lab. Serv. 10, 228-239.
5.
Food Poisoning in England and Wales, 1951 and 1952. (1954). Mon. Bull. Minist. Health Lab. Serv. 13, 12-24.
6.
Food Poisoning in England and Wales, 1953. (1955). Mon. Bull. Minist. Health Lab. Serv. 14, 34-42.
7.
Food Poisoning in England and Wales, 1954. (1955). Mon. Bull. Minist. Health Lab. Serv. 14, 203-216.
8.
Savage, W.G. , and White, P.B. (1925). Food Poisoning: a study of 100 recent outbreaks. Spec. Rep. Ser., 92. (Med. Res. Council.) H.M.S.O.
9.
Buxton, A., and Field, H.I. (1952). Salmonella Infection in Farm Livestock. Rep. XIV. Int. Nat. Vet. Cong. London, 1949. H. M.S.O.2, 270-280.
10.
Ritchie, J.M. , and Clayton, N.M. (1951). An Investigation into the Incidence of Salm. dublin in Healthy Cattle. Mon. Bull. Minist. Health Lab. Serv.10, 272-277.
11.
Murdock, C.R. , and Gordon, W.A.M. (1953.) The Incidence of Salmonella in Healthy Cattle in Northern Ireland. Mon. Bull. Minist. Health Lab. Serv.12, 72-76.
12.
Scott, W.M. (1940), Salmonellas in Healthy Pigs at Slaughter. Proc. R. Soc. Med.33, 366-368.
13.
The Bacteriology of Spray-dried Egg with Particular Reference to Food Poisoning: IV. Salmonella Infections of Pigs probably due to Dried Egg. (1947). Spec. Rep. Ser. 260, 58-60. (Med. Res. Council.) H.M.S.O.
14.
Cruickshank, J.C., and Smith, H.W. (1949). Isolation of Salmonellas from Dogs, Cats and Pigeons. Brit. Med. J. , Dec. 3, 1254-8.
15.
Taylor, J. (1956). Bacterial Rodenticides and Infection with Salmonella enteritidis. Lancet, May 5, 630-633.
16.
Felsenfeld, W., Young, V.M. and Yoshimura , T. (1950). A Survey of Salmonella Organisms in Market Meat, Eggs and Milk. J. Amer. Vet. Med. Ass.116, 17-21.
17.
Salmonella in Carcass Meat for Human Consumption. A report by the Salmonella Sub-Committee of the Public Health Laboratory Service. (1955). Mon. Bull. Minist. Health Lab. Serv. 14, 132-138.
18.
McCullough, N.B., and Eisele, C.W. (1951). Experimental Human Salmonellosis. I. Pathogenicity of Strains of Salmonella meleagridis and Salmonella anatum obtained from Spray-Dried Whole Egg. J. infect. Dis.88, 278-389.
19.
McCullough, N.B., and Eisele, C.W. (1951). Experimental Human Salmonellosis. III. Pathogenicity of Strains of Salmonella newport, Salmonella derby and Salmonella bareilly obtained from Spray-Dried Whole Egg . J. infect. Dis.89, 209-213.
20.
McCullough, N.B., and Eisele, C.W. (1951). Experimental Human Salmonellosis. IV. Pathogenicity of Strains of Salmonella pullorum obtained from Spray-Dried Whole Egg. J. infect. Dis.89, 259-265.
21.
1er Symposium International de Bactériologie Alimentaire. Bactériologie des Semi-conserves de Viandes. (1955). Ann inst. Pasteur Lille. Vol. VII.
22.
Report of the Ministry of Health, Part II, 1952. (1953). H.M.S.O.
23.
Symposium on Food Microbiology and Public Health. (1955). J. Applied Bact.18, 462-630.
24.
Anderson, H.E. (1954). Changes of the Intestinal Flora produced by Peroral Administration of Penicillin in Normal Swine. Nord. Veter.6, 622-642.