Columbia subject headings:
Harvard subject headings:
Aktion (Hamburg, Germany)
Fackel
Journalism--Political aspects--Austria.
Journalism--Political aspects--Germany.
Kraus, Karl, 1874-1936--Political and social views.
Pfemfert, Franz--Political and social views.
Princeton subject headings:
Aktion (Berlin, Germany)
Fackel.
Kraus, Karl, 1874-1936.
Pfemfert, Franz.
World War, 1914-1918--Journalists.