The Encyclopedia of opera / [electronic resource] / edited by Leslie Orrey ; advisory editor Gilbert Chase.. — London : : Pitman,, 1976.. — 376 p. : : ill. (some col.) ; 26 cm. Ill. on lining papers. ISBN: 0273002376 : £13.50 LCCN: 77351974 Nat. Bib. No.: GB76-31915 Subjects--Topical Terms: Opera--Encyclopedias. LC Class. No.: ML102.O6 / E6 1976b Dewey Class. No.: 782.1/03