Film Studies

Credo Reference is a good place to start reading about the study of film and cinema.
 

Encyclopedias

Encyclopedia of Best Films / Jay Robert Nash

Encyclopedia of Television Shows, 1925-2010 / Vincent Terrace

Encyclopedia of Early Cinema / Richard Abel.

Encyclopedia of Television Shows / Vincent Terrace.

Film Encyclopedia / Ephraim Katz.

Film Noir: The Encyclopedia / Alain Silver.

Dictionaries

Cinema Studies / Susan Hayward.

Critical Dictionary of Film and Television Theory / Roberta Pearson.

Dictionary of Film Studies / Annette Kuhn.

Dictionary of Film Terms: The Aesthetic Companion to Film Art

Historical Dictionary of Film Noir / Andrew Spicer

International Dictionary of Films and Filmmakers / Tom Pendergast.