Columbia subject headings:
Harvard subject headings:
Educational change--Germany
Educators--Germany--Biography
Homosexuality and education--Germany--History--20th century.
Wyneken, Gustav, 1875-1964.
Princeton subject headings:
Educational change--Germany.
Educators--Germany--Biography.
Homosexuality and education--Germany--History--20th century.
Wyneken, Gustav, 1875-1964.