Columbia subject headings:
Politics, Practical.
Prison violence--United States.
Prisoners--Legal status, laws, etc.--United States.
Prisoners--Political activity--United States.
Prisoners--United States--Political activity.
Harvard subject headings:
Politics, Practical--United States
Politics, Practical.
Prison violence--United States
Prisoners--Legal status, laws, etc.--United States
Prisoners--Political activity--United States.
Prisoners--United States--Political activity.
Princeton subject headings:
Politics, Practical.
Prison violence--United States.
Prisoners--Legal status, laws, etc.--United States.
Prisoners--United States--Political activity.