Here are entered comprehensive works on the politics and public administration of local governmental units in general or of various local governmental units discussed collectively. Works limited to the politics and public administration of a specific local governmental unit are entered under the name of the place subdivided by Politics and government.
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
--subdivision Heavy metal content under individual animals and groups of animals and individual plants and groups of plants, e.g., Fishes--Heavy metal content; Corn--Heavy metal content
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
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