Columbia subject headings:
Harvard subject headings:
Austrians--Denmark--History--20th century.
Austrians--Netherlands--History--20th century.
Children--Services for--Denmark--History--20th century.
Children--Services for--Netherlands--History--20th century.
Humanitarian assistance--Austria--History--20th century.
World War, 1914-1918--Children--Austria.
Princeton subject headings:
Child welfare--Austria--History--20th century.
Humanitarian assistance, Danish--Austria--History--20th century.
Humanitarian assistance, Dutch--Austria--History--20th century.
World War, 1914-1918--Children--Austria.