Identifies specific print and broadcast sources of news and advertising for trade, business, labor, and professionals. Arrangement is geographic with a thumbnail description of each local market. Indexes are classified (by format and subject matter) and alphabetical (by name and keyword).

History: -- K.D. Watson, P. Wexler, and J. Everitt. -- Highlights in the History of Toxicology. -- Selected References in the History of Toxicology. -- A Historical Perspective of Toxicology Information Systems. -- Books and Special Documents: -- G.L. Kennedy, Jr., P. Wexler, N.S. Selzer, and L.A. Malley. -- General Texts. -- Analytical Toxicology. -- Animals in Research. -- Biomonitoring/Biomarkers. -- Biotechnology. -- Biotoxins. -- Cancer. -- Chemical Compendia. -- Chemical--Cosmetics and Other Consumer. -- Products. -- Chemical--Drugs. -- Chemical--Dust and Fibers. -- Chemical--Metals. -- Chemicals--Pesticides -- Chemicals--Solvents. -- Chemical--Selected Chemicals. -- Clinical Toxicology. -- Developmental and Reproductive Toxicology. -- Environmental Toxicology--General. -- Environmental Toxicology-- Aquatic. -- Environmental Toxicology--Atmospheric. -- Environmental Toxicology--Hazardous Waste. -- Environmental Toxicology--Terrestrial. -- Environmental Toxicology--Wildlife. -- Ep ...