Columbia subject headings:
Harvard subject headings:
Criminal justice, Administration of--England--Hatfield (Hertfordshire)--History--19th century.
Criminal justice, Administration of--England--Hatfield (Hertfordshire)--History--20th century.
Princeton subject headings:
Criminal justice, Administration of--England--Hatfield (Hertfordshire)--History--19th century.
Criminal justice, Administration of--England--Hatfield (Hertfordshire)--History--20th century.