Columbia subject headings:
Harvard subject headings:
Deutsche Physikalische Gesellschaft (1899-1945)
National socialism and science
Physicists--Germany.
Physics--Germany--History--20th century.
Princeton subject headings:
Deutsche Physikalische Gesellschaft (1899-1945)
Germany--History--1933-1945.
National socialism and science--Germany.
Physicists--Germany--Societies, etc.--History--20th century.