Columbia subject headings:
Australia--Gold discoveries.
Australians--California.
California--Gold discoveries.
California--History--1846-1850.
Gold mines and mining--Australia.
Voyages and travels.
Harvard subject headings:
Gold mines and mining--Australia--New South Wales--History.
Gold mines and mining--California--San Francisco--History.
New South Wales--History.
San Francisco (Calif.)--History.
Princeton subject headings: