The stuff of radio: developments in radio features and documentaries before the war -- Authorship in documentary: sociology as an art form in mass observation -- The documentary aesthetics of humphrey jennings -- The origins of British television documentary: the BBC 1946-55 -- The agonistic narratives of television science -- Questions of magnitude -- Seeing is believing : the ideology of naturalism -- Documentary meanings and the discourse of interpretation -- Notes on the ascent of a fictitious mountain

1. Mass media