Columbia subject headings:
Germany--History--1789-1900.
Germany--History--20th century.
Neurasthenia--Germany--History.
Neuroses--Germany--History.
Harvard subject headings:
Diseases and history--Germany--History.
Germany--History
Mental fatigue--Social aspects--Germany--History.
Neurasthenia--Social aspects--Germany--History.
Princeton subject headings:
Diseases and history--Germany--History.
Germany--History.
Mental fatigue--Social aspects--Germany--History.
Neurasthenia--Social aspects--Germany--History.