Columbia subject headings:
German literature--Societies, etc.
Literarhistorische Gesellschaft Bonn (Germany)--History--20th century.
Literature--Societies, etc.
Harvard subject headings:
Critics--Germany--Correspondence.
Enders, Carl, 1877-1963--Correspondence.
German literature--20th century--History and criticism
Literarhistorische Gesellschaft Bonn (Germany)
Princeton subject headings:
German literature--Societies, etc.
Literarhistorische Gesellschaft Bonn (Germany)--History--20th century.
Literature--Societies, etc.