Registration of trademarks -- See Trademarks --subdivision Trademarks under individual industries and products for works listing or discussing the words, letters, or symbols adopted and used by the manufacturers or dealers of these items to distinguish them from the goods of others, e.g. Construction industry--Trademarks; Automobiles--Trademarks
Regulation, Biological -- See Biological control systems --subdivisions Metabolism--Regulation, Secretion--Regulation, and Synthesis--Regulation under individual chemicals and types of chemicals, e.g. Copper--Metabolism--Regulation; Copper--Secretion--Regulation; Insulin--Synthesis--Regulation; and subdivision Vocalization--Regulation under individual animals and groups of animals, e.g. Mammals--Vocalization--Regulation; Cattle--Vocalization--Regulation
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Regulation of prices -- See Price regulation --subdivision Prices--Law and legislation under individual products and other objects; also subdivision Prices--Law and legislation under industries where one general subject heading for the products of that industry is lacking, e.g. Construction industry--Prices--Law and legislation
