Blumenberg, Richard M. Critical Focus : an introduction to film / Richard M. Blumenberg - Belmont, Ca. : Wadsworth Publishing Co., 1975 - xiv, 315 p., 2 leaves of plates : ill. ; 21 cm. Includes bibliography : p. 279-281 and indexes ISBN: 0534004172 LCCN: 75-017081 Subjects--Topical Terms: Motion pictures