Columbia subject headings:
Debye, Peter J. W. (Peter Josef William), 1884-1966--Congresses.
Jewish scientists--Germany--History--20th century--Congresses.
National socialism and science--Congresses.
Scientists, Foreign--Germany--History--20th century--Congresses.
Harvard subject headings:
Debye, Peter J. W. (Peter Josef William), 1884-1966--Congresses.
Jewish scientists--Germany--History--20th century--Congresses.
National socialism and science--Congresses.
Scientists, Foreign--Germany--History--20th century--Congresses.
Princeton subject headings:
Debye, Peter J. W. (Peter Josef William), 1884---Congresses.
Jewish scientists--Germany--History--20th century--Congresses.
National socialism and science--Congresses.
Scientists, Foreign--Germany--History--20th century--Congresses.