Columbia subject headings:
Harvard subject headings:
Post-traumatic stress disorder--Germany--History--Congresses.
Soldiers--Mental health--Germany--History--Congresses.
War neuroses--Germany--History--Congresses.
War--Psychological aspects--Congresses.
World War, 1914-1918--Germany--Psychological aspects--Congresses.
Princeton subject headings:
Conference papers and proceedings.
Germans--20th century--Psychology--Congresses.
Germany--History, Military--20th century--Congresses.
War--Psychological aspects--Congresses.
World War, 1914-1918--War work--Germany--Congresses.