Columbia subject headings:
Public policy (Law)--United States--Case studies.
Social problems--United States--Case studies.
United States--Politics and government--1945-1989--Case studies.
Harvard subject headings:
Public policy (Law)--United States--Case studies.
United States--Politics and government--1945-1989--Case studies.
United States--Social conditions--Case studies.
Princeton subject headings:
Public policy (Law)--United States--Case studies.
Social problems--United States--Case studies.
United States--Politics and government--1945-1989--Case studies.