Encyclopedia of Television (4 volumes) / REF PN 1992.18 .E53 2004
Critical Ideas in Television Studies
Online searchable version found in FIAF International Index to Film Periodicals . From the main page, click "Publications." In the Source Type list, click "Books."
International Television & Video Almanac / REF PN 1992.15 .I61 2014 *earlier years on the 3rd floor
Contains information on all aspects of the television industry for the current year: viewing and financial statistics, stations and ownership; networks, producers, and programs; entertainment industry biographies; production services; professional and governmental organizations; t.v. series and movies.
Complete Directory to Prime Time Network and Cable TV Shows, 1946-present / REF PN 1992.18 .C66 9th ed. 
Watching TV: Six Decades of American Television / REF PN 1992.5 .U5 C37 2010
A chronicle of American television, season-by-season, from 1944/45-2000s.
Critical Dictionary of Film and Television Theory
REF PN 1993.45 .C75 2001
Filmmaker's Dictionary / REF PN 1993.45 .S56 2000
Television Studies: The Key Concepts
REF PN 1992.5 .T385 2008