Columbia subject headings:
Harbors--England--London--Pictorial works.
London (England)--Pictorial works.
Thames River (England)--Pictorial works.
Harvard subject headings:
London (England)--Description and travel.
Photograph collections--England--London.
Port of London--Photograph collections.
Thames Valley (England)--Description and travel.
Waterfronts--England--London.
Princeton subject headings: