Columbia subject headings:
Harvard subject headings:
Harbors--Government policy--Great Britain.
Stevedores--Effect of technological innovations on--Great Britain.
Stevedores--Labor unions--Great Britain.
Princeton subject headings:
Cargo handling--Government policy--Great Britain.
Dock Strike, Great Britain, 1989.
Stevedores--Labor unions--England--Liverpool.
Stevedores--Labor unions--England--London.