Columbia subject headings:
Actions and defenses--United States.
Grievance procedures for prisoners--United States.
Prisoners--Civil rights--United States.
Prisoners--Legal status, laws, etc.--United States--Statistics.
Prisoners--Legal status, laws, etc.--United States.
Harvard subject headings:
Grievance procedures for prisoners--United States.
Prisoners--Civil rights--United States.
Prisoners--Legal status, laws, etc.--United States
State action (Civil rights)--United States.
Princeton subject headings:
Grievance procedures for prisoners--United States.
Prisoners--Civil rights--United States.
Prisoners--Legal status, laws, etc.--United States.