Columbia subject headings:
German language--Germany (East)
German language--Political aspects--Germany (East)
German language--Social aspects--Germany (East)
German literature--20th century--History and criticism.
Sociolinguistics--Germany (East)
Harvard subject headings:
German language--Germany (East)
German language--Political aspects--Germany (East)
German language--Semantics.
German language--Social aspects--Germany (East)
Princeton subject headings:
German language--Social aspects--Germany (East).