Columbia subject headings:
Harvard subject headings:
Brissago (Switzerland)--Intellectual life--20th century.
Hirsch, Leon, 1886-1954.
Publishers and publishing--Germany--Berlin--History--20th century.
Publishers and publishing--Germany--Biography
Publishers and publishing--Switzerland--Biography.
Publishers and publishing--Switzerland--Brissago--History--20th century.
Princeton subject headings:
Hirsch, Leon, 1886-1954.
Jews, German--Switzerland--Biography.