Columbia subject headings:
Dobson, Frank, 1940-
Livingstone, Ken, 1945-
Mayors--England--London--Election.
Norris, Steven, 1945-
Harvard subject headings:
Dobson, Frank, 1940-
Livingstone, Ken, 1945-
Mayors--England--London--Election.
Norris, Steven, 1945-
Princeton subject headings:
Dobson, Frank, 1940-
Livingstone, Ken, 1945-
Mayors--England--London--Election.
Norris, Steven, 1945-