Columbia subject headings:
Harvard subject headings:
Japan--Defenses--Law and legislation.
Obscenity (Law)--Japan.
Textbooks--Censorship--Japan.
Princeton subject headings:
Japan--Defenses--Law and legislation--Addresses, essays, lectures.
Obscenity (Law)--Japan--Addresses, essays, lectures.
Textbooks--Japan--Censorship--Addresses, essays, lectures.