Mass media - Ownership - United States.

Media concentration and democracy = why ownership matters / by: (Electronic resources)

Empires of entertainment = media industries and the politics of deregulation, 1980-1996 / by: (Electronic resources)

Broadcasting- Law and legislation- United States.

Freedom of the press- United States.

Mass media- Economic aspects- United States.

Telecommunication- Deregulation- United States.

Telecommunication policy- United States.

Mass media- Ownership- United States.