Columbia subject headings:
Barrow, John, Sir, 1764-1848.
Discoveries in geography--British--History.
Explorers--Great Britain--History.
Harvard subject headings:
Barrow, John, Sir, 1764-1848
Discoveries in geography--British--History.
Explorers--Great Britain--History.
Princeton subject headings:
Barrow, John, Sir, 1764-1848.
Discoveries in geography--British--History.
Explorers--Great Britain--History.