Columbia subject headings:
Public health--United States.
Reagan, Ronald.
Safety regulations--United States.
United States--Politics and government--1981-1989.
Harvard subject headings:
Public health--United States
Reagan, Ronald
Safety regulations--United States.
United States--Politics and government--1981-1989
United States--Politics and government--1989-
Princeton subject headings:
Public health--United States.
Reagan, Ronald.
Safety regulations--United States.
United States--Politics and government--1981-.