English Heritage Website
I know snappel has referred to this website before about the Sugar Silo photos. I'm not sure if some of the other good stuff has been mentioned though.
Just click on Stories and look at the following which all have Liverpool references.
Under Collections and Themes
Merchant Palaces: Liverpool and Wirral Mansions
The Edwardian Seaside briefly mentions New Brighton
Under England at Work
Accidents at Work refers to Cunard
Tate & Lyle Sugar Silo
War Work mentions Cunards, Bootle and Trollope & Colls Ltd, Liverpool
Under Field Survey Projects
Liverpool: A Port of World Significance