Columbia subject headings:
Prison administration--United States--History.
Prison reformers--United States--History.
Prisoners--Legal status, laws, etc.--United States--History.
Harvard subject headings:
Prison administration--United States--History.
Prison reformers--United States--History.
Prisoners--Legal status, laws, etc.--United States--History.
Princeton subject headings:
Prison administration--United States--History.
Prison reformers--United States--History.
Prisoners--Legal status, laws, etc.--United States--History.