E-Books for Quick Reference
Cinema Studies: The Key Concepts by An excellent reference for technical terms such as "tracking shot" and "montage," and theoretical concepts like "auteur" and "gaze."
Movies in American History: An Encyclopedia by Provides 450 A-Z entries on the historical significance of subjects, people, and films of the American cinema. Every entry includes reference materials and suggestions for further reading.
The Oxford Dictionary of Philosophy by Entries include in-depth analysis of philosophical terms and concepts and a chronology of philosophical events from 10,000 BC to the present day.
The Oxford Companion to Philosophy by Longer entries than the Dictionary above, with recommended reading.
