1. Cobalt and the dust environment of the cemented tungsten carbide industry;Fairhall;Public Health Rep. (1896–1970),1949
2. The production of malignant tumours by cobalt in the rat;Heath;Br. J. Cancer,1956
3. The production of malignant tumours by cobalt in the rat: intrathoracic tumours;Heath;Br. J. Cancer,1962
4. National Toxicology Programme. TR 581 – NTP Technical Report on the Toxicology of Cobalt Metal in F344/N Rats and B6C3F1/N Mice and Toxicology and Carcinogenesis Studies of Cobalt Metal in F344/NTac Rats and B6C3F1/N Mice (Inhalation Studies). Technical Report, U.S. Department of Health and Human Services.
5. Development of Tungsten Carbide Hardmetals Using Iron-based Binder Alloys, Report KFK-2984;Prakash,1980