Columbia subject headings:
Harvard subject headings:
Essex (England)--History, Local--19th century.
Essex (England)--History, Local--20th century.
Essex (England)--History, Local.
Historians--England--Essex--Biography.
Round, John Horace, 1854-1928.
Princeton subject headings:
Essex (England)--History.
Historians--England--Biography.
Round, John Horace, 1854-1928.