Columbia subject headings:
Harvard subject headings:
Authors, German--Germany--Berlin--Biography.
Authors, German--Germany--Brandenburg--Biography.
Children's literature, German--Germany--Berlin--History and criticism.
Children's literature, German--Germany--Brandenburg--History and criticism.
Children--Books and reading--Germany--Berlin--History--20th century.
Children--Books and reading--Germany--Brandenburg--History--20th century.
Princeton subject headings:
Authors, German--Germany--Berlin--Biography.
Authors, German--Germany--Brandenburg--Biography.
Children's literature, German--Germany--Berlin--History and criticism.
Children's literature, German--Germany--Brandenburg--History and criticism.
Children--Books and reading--Germany--Berlin--History--20th century.
Children--Books and reading--Germany--Brandenburg--History--20th century.