Columbia subject headings:
Explorers--Arctic regions--Biography.
Explorers--England--Biography.
Richardson, John, Sir, 1787-1865.
Harvard subject headings:
Arctic regions--Discovery and exploration--British.
British--Arctic regions--History--19th century.
Explorers--Arctic regions--Biography.
Explorers--England--Biography.
Explorers--Great Britain--Biography
Richardson, John, Sir, 1787-1865.
Princeton subject headings: