Occupational diseases, 1977 : a guide to their recognition / edited by Marcus M ... [et al.]. United States. Congress. Senate. Committee on Human Resources. Subcommittee on Labor. Occupational diseases United States. 615.8515 KEO includes index. Includes bibliographical references. System requirements: PDF reader software. Washington : U.S. Govt. Print. Off., 1978. 1978. 1978 Text iv, 358 p. : eng System requirements: PDF reader software. Occupational diseases, 1977 Occupational diseases, 1977 United States.