For
books databases such as Books in Print, Worldcat and First
Search.
For
journal articles Current Contents: Social and Behavioural
Sciences, Jstor,
LexisNexis,
Social Science Index, British Humanities Index, Social Sciences Citation Index,
Arts and Humanities Index, Communication Abstracts, Market Research Abstracts.
government, parliamentary and legal sources
Annotations:
Reports
and press releases from government departments and regulatory agencies.
Draft
and final forms of legislation.
Debates
in assemblies(立法机构,议会)and evidence
given to enquiries.
Records
of court proceedings(诉讼,进程) where
communications policy is debated and drafted.
Much
of this material is now available online.
http://www.nationalarchives.gov.uk/help-with-your-research/research-guides/courts-of-law-records-held-in-other-archives/
Governments
also collect a great deal of statistical information eg. The
Source, The Guide to Official Statistics, UK Statistics.
facts and figures
Annotations:
Willings
Press Guide
– details newspaper circulations, contents, cover prices, advertising rates
across Europe and the rest of the world.
World Radio and Television Handbook
Advertising Statistics Yearbook.
The
UN also produces a great deal of statistical information on the mass media
contemporary events
Annotations:
Newspaper are an invaluable source of up
to the minute information.
With
the internet it is now possible to track the world’s media from your computer
via archives or Nexis