--subdivisions Metabolism--Regulation, Secretion--Regulation, and Synthesis--Regulation under individual chemicals and groups 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
--subdivision Inventory control under names of individual corporate bodies, military services, and types of industries, organizations, and facilities, e.g. United States. Army--Inventory control; Construction industry--Inventory control
--subdivision Dust control under types of industries, industrial plants, and processes, e.g. Construction industry--Dust control; Foundries--Dust control
Control of guns -- See Gun control Here are entered general and non-legal works on the control of guns. Works on the legal aspects of gun control are entered under Firearms--Law and legislation.
--subdivision Metabolism--Regulation under individual chemicals and groups of chemicals and individual organs and regions of the body, e.g. Copper--Metabolism--Regulation; Heart--Metabolism--Regulation