Columbia subject headings:
Criminal justice, Administration of--United States.
Prisons--United States.
United States--Social conditions--1865-1918.
Harvard subject headings:
Law--United States
Prisons--United States
Social problems
United States--Social conditions.
Princeton subject headings:
Criminal justice, Administration of--United States.
Prisons--United States.
United States--Social conditions--1865-1918.