Columbia subject headings:
Harvard subject headings:
Children and war--Austria--Lower Austria--History--20th century--Congresses.
Children--Austria--Lower Austria--Social conditions--20th century--Congresses.
World War, 1939-1945--Children--Austria--Lower Austria--Congresses.
Princeton subject headings:
Children and war--Austria--Lower Austria--Social conditions--20th century--Congresses.
Children--Austria--Lower Austria--Social conditions--20th century--Congresses.
World War, 1939-1945--Children--Austria--Lower Austria--Congresses.