Matèries
Matèries
Themen
Themen
Θέματα
Subjects
Materias
Gaiak
Sujets
Materias
Témák
Témák
Subjek
Viðfangsefni
Soggetti
主題
სუბიექტები
주제
Onderwerpen
Assuntos
Assuntos
Assuntos
Osebe
Теме
หัวข้อ
Chủ đề
Drama
Drama--Philosophy
Drama, Modern
Dramas
Dramatic works
Plays
Playscripts
Stage
Here are entered works on drama as a literary form. Works on drama as acted on the stage are entered under [Theater.] Works on facilities used to stage drama are entered under [Theaters.]
Library of Congress Subject Headings
Opera
Comic opera
Lyric drama
Opera--History and criticism
Opera, comic
Operas--History and criticism
Here are entered general works about opera. Musical compositions in this form are entered under the heading [Operas.]
http://id.loc.gov/authorities/subjects/sh85094900