Columbia subject headings:
Book burning--Congresses.
Censorship--Congresses.
Libraries--Destruction and pillage--Congresses.
Harvard subject headings:
Art--Mutilation, defacement, etc.--History--Congresses.
Books--Mutilation, defacement, etc.--Congresses.
Censorship--History--Congresses.
Judaism--History--Congresses
Libraries--Destruction and pillage--Congresses.
Prohibited books--History--Congresses.
Princeton subject headings:
Book burning--Congresses.
Censorship--Congresses.
Libraries--Destruction and pillage--Congresses.