Columbia subject headings:
Harvard subject headings:
Austria--History--20th century.
Jews--Austria--Biography.
Kanitz, Otto Felix, 1894-1940.
Kinderfreunde (Organization)--History.
Socialism and education--Austria--History--20th century.
Socialism and youth--Austria--History--20th century.
Socialists--Austria--Biography
Princeton subject headings:
Austria--History--20th century.
Jews--Austria--Biography.
Kanitz, Otto Felix, 1894-1940.
Kinderfreunde (Organization)--History.
Socialism and education--Austria--History--20th century.
Socialism and youth--Austria--History--20th century.
Socialists--Austria--Biography.