Works on the poisonous influence of individual chemical substances on man and animals are entered under the substance with the subdivision Toxicology, e.g. Mercury--Toxicology; Phosphorus--Toxicology.Works on the effect of poisons on plants are entered under Plants--Effect of poisons on; Plants--Effect of arsenic on; and similar headings. --individual poisons; also headings beginning with the word Poison
Works on the poisonous influence of individual chemical substances on man and animals are entered under the substance with the subdivision Toxicology, e.g. Mercury--Toxicology; Phosphorus--Toxicology.Works on the effect of poisons on plants are entered under Plants--Effect of poisons on; Plants--Effect of arsenic on; and similar headings. --individual poisons; also headings beginning with the word Poison
