Methods for locating information sources for occupational safety and health were discussed. Regulatory and research agencies were considered. The functions of OSHA, the Mine Safety and Health Administration, the Nuclear Regulatory Commission, the Environmental Protection Agency, the Department of Transportation, the United States Coast Guard, the Occupational Safety and Health Review Commission, the Federal Mine Safety and Health Review Commission, NIOSH, and the Bureau of Mines were summarized. Voluntary standards organizations such as the American Standards Institute, the American Conference of Governmental Industrial Hygienists, and the National Fire Protection Association were described. The announcements and notices of official regulatory agencies as possible sources of occupational safety and health information were considered. On/line computer data bases that provide access to standards and regulations covering occupational safety and health were summarized. Reference texts that addressed occupational safety and health issues were listed. Sources of technical information were enumerated. These included data bases, reference texts, organizations, and journals dealing with behavioral science, chemistry and physics, engineering and control, epidemiology and surveillance, ergonomics, industrial hygiene, medicine and nursing, safety, toxicology, and occupational safety and health education. Specific data bases were described.