Columbia subject headings:
Herzfelde, Wieland--Correspondence.
Malik-Verlag--History.
Publishers and publishing--Germany--Correspondence.
Publishers and publishing--History--20th century.
Harvard subject headings:
Authors, German--20th century--Correspondence
Herzfelde, Wieland--Correspondence.
Malik-Verlag--History.
Publishers and publishing--Germany--Correspondence
Publishers and publishing--History--20th century.
Princeton subject headings:
Herzfelde, Wieland--Correspondence.
Malik-Verlag--History.
Publishers and publishing--Germany--Correspondence.
Publishers and publishing--History--20th century.