Columbia subject headings:
Artists--Austria--History--20th century.
Artists--Germany--History--20th century.
Authors, Austrian--History--20th century.
Authors, German--History--20th century.
Expatriate artists--Belgium--History--20th century.
Expatriate authors--Belgium--History--20th century.
Harvard subject headings:
Artists--Austria--History--20th century.
Artists--Germany--History--20th century.
Authors, Austrian--History--20th century.
Authors, German--History--20th century.
Expatriate artists--Belgium--History--20th century.
Expatriate authors--Belgium--History--20th century.
Princeton subject headings:
Artists--Austria--History--20th century.
Artists--Germany--History--20th century.
Authors, Austrian--History--20th century.
Authors, German--History--20th century.
Expatriate artists--Belgium--History--20th century.
Expatriate authors--Belgium--History--20th century.