Columbia subject headings:
Harvard subject headings:
Büren an der Aare (Switzerland)--History.
Refugee camps--Switzerland--Büren an der Aare--History--20th century.
Refugees--Government policy--Switzerland.
World War, 1939-1945--Refugees--Switzerland.
World War, 1939-1945--Refugees.
Princeton subject headings:
Büren an der Aare (Switzerland)--History.
Refugee camps--Switzerland--Büren an der Aare--History--20th century.
World War, 1939-1945--Switzerland--Refugees.