Includes:
- company correspondence re lung cancer, 1923-1946, including statistics on occupational lung cancer mortality, lists of 'suspended employees' (= suspended on health grounds) and of employees whose cause of death (as stated by coroner or medical board) involved some degree of asbestosis; also correspondence re Dr Leroy U Gardner's asbestosis research at the Saranac Laboratory for the Study of Tuberculosis, New York
- correspondence and papers re medical research conducted by Drs T Belt and E J King on behalf of T&N, 1942-1952
- records relating to Drs R Doll and J Knox' study on mortality from lung cancer among asbestos workers, and T&N seeking to suppress the findings, 1953-1954
- records chiefly re epidemiological studies on lung cancer among asbestos workers, 1954-1959
- correspondence and papers re asbestos and health, 1959-1986, including lists of claims settled or still proceeding, list of deaths from lung cancer and mesothelioma, etc