Columbia subject headings:
Black Ball Line (Firm)--History.
Eagle Line--History.
Packets--Australia--History.
White Star Line--History.
Harvard subject headings:
Black Ball Line--History.
Eagle Line--History.
Packets--Australia--History.
White Star Line--History.
Princeton subject headings:
Australia--Emigration and immigration--History--19th century.
Merchant mariners--Great Britain--History--19th century.
Merchant ships--Great Britain--History--19th century.
Steamboat lines--Great Britain--History--19th century.