Columbia subject headings:
Theater--Censorship--Europe--History.
Theater--Europe--History.
Theater--Moral and ethical aspects--Europe.
Harvard subject headings:
Theater--Censorship--Europe--History.
Theater--Europe--History
Theater--Moral and ethical aspects--Europe.
Princeton subject headings:
Theater--Censorship--Europe--History.
Theater--Europe--History.
Theater--Moral and ethical aspects--Europe.