Warfel, William B. Handbook of stage lighting graphics [by] William B. Warfel. - 2d ed., rev. and enl. - New York Drama Book Specialists [1973, c1974] - 41 p. illus. 28 cm. ISBN: 0910482470 LCCN: 73016421 //r85 Subjects--Topical Terms: Stage lighting--Drawing. LC Class. No.: PN2091.E4 / W3 Dewey Class. No.: 792/.025