Opera Costume -- See Costume Here are entered works on the clothing of particular places or periods, as well as on costume for the theater, movies or special occasions, e.g. court receptions, carnivals, masquerades, etc. Works on clothing from the standpoint of utility as a covering for the body, and works on the art of dress are entered under Clothing and dress. --subdivision Clothing under names of individual persons; also subdivision Costume under classes of persons, ethnic groups; and individual articles of apparel
Opera History And Criticism -- See Opera Here are entered works about opera. Musical works composed in this form are entered under the heading Operas.
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Opera Houses -- See Theaters Here are entered works on facilities used to stage drama. Works on drama as a literary form are entered under Drama. Works on drama as acted on the stage are entered under Theater. --names of individual theaters