Columbia subject headings:
Ethics in literature.
Games in literature--Congresses.
German literature--History and criticism--Congresses.
Play in literature--Congresses.
Harvard subject headings:
Games in literature.
German literature--History and criticism
Play in literature.
Princeton subject headings:
Ethics in literature.
Games in literature--Congresses.
German literature--History and criticism--Congresses.
Play in literature--Congresses.