Here is a comprehensive list of all the books I have read, films I have seen, and websites I follow to acquire my knowledge. All the books I have purchased from Amazon.com, and the majority of the documentaries can be found on Amazon as well, in addition to being on Netflix.
Variety – Available in print and online. The paid edition comes with production charts, Thought Leader Reports, and other valuable information.
Deadline – The most up to date. Usually has more of-the-moment information, and is more heavily used by industry professionals.
IMDB– Utilized for movie and cast and crew specific information. IMDB Pro tells you who’s represented by who, what’s in production, and what’s in development.
The Tracking Board– Specs, pitches, film rights, job listings (see below), event listings, and also corporate moves.
WHAT’S ON MY BOOKSHELF?
Tracking Board– $79 a year for access to jobs, event listings, and other exclusive content. Will have many listing you won’t find on normal websites.
Entertainment Careers– The biggest database for Entertainment Careers. Starting and $9.95 a month for paid access to great listings.
The UTA Joblist via The Anonymous Production Assistant– For a minimum of $10 a month, you can get early access to the list!