00879cz 2200193n 4500 sh85029027 DLC 19940104111131.9 860211i| anannbab| |a ana ||| sh 85029027 DLC DLC DLC P87 P96 Communication subdivision Communication under ethnic groups nne Communication, Primitive Mass communication g Sociology Here are entered works on human communication, including both the primary techniques of language, pictures, etc., and the secondary techniques, such as the press and radio. Works on the modern means of mass communication are entered under Mass media. Works on the communications industries treated collectively are entered under Communication and traffic. Notes under Communication and traffic; Mass media