Columbia subject headings:
Harvard subject headings:
Brunel, Isambard Kingdom, 1806-1859.
Brunel, Marc Isambard, 1769-1849.
Great Eastern (Steamship)
Thames Tunnel (London, England)
Princeton subject headings:
Brunel, Isambard Kingdom, 1806-1859.
Brunel, Marc Isambard, 1769-1849.
Great Eastern (Steamship)
Thames Tunnel (London, England)