Columbia subject headings:
Communication--Europe, German-speaking.
Europe, German-speaking--Civilization.
German language--Study and teaching--Foreign speakers.
German literature--20th century--History and criticism.
German literature--21st century--History and criticism.
German literature--Foreign countries--History and criticism.
Harvard subject headings:
German language--Study and teaching--Foreign speakers.
German literature--History and criticism
German literature--Social aspects.
Princeton subject headings:
German language--Study and teaching--Foreign speakers.
German literature--History and criticism.
German literature--Social aspects.