Columbia subject headings:
Jewish refugees--Europe, German-speaking--History--20th century.
Jewish refugees--United States--History--20th century.
Philosophers--Europe, German-speaking--Biography.
Philosophy, German--20th century.
Refugees--Europe, German-speaking--History--20th century.
Refugees--United States--History--20th century.
Harvard subject headings:
Jewish refugees--Europe, German-speaking--History--20th century.
Jewish refugees--United States--History--20th century.
Philosophers--Europe, German-speaking--Biography.
Philosophy, German--20th century.
Refugees--Europe, German-speaking--History--20th century.
Refugees--United States--History--20th century.
Princeton subject headings:
Jewish refugees--Europe, German-speaking--History--20th century.
Jewish refugees--United States--History--20th century.
Philosophers--Europe, German-speaking--Biography.
Philosophy, German--20th century.
Refugees--Europe, German-speaking--History--20th century.
Refugees--United States--History--20th century.