Columbia subject headings:
Harvard subject headings:
Periodicals--Publishing--Switzerland--History--20th century.
Publishers and publishing--Switzerland--Biography.
Senger, François de, 1906-
Swiss periodicals--History--20th century.
Princeton subject headings:
Periodicals--Publishing--Switzerland--History--20th century.
Publishers and publishing--Switzerland--Biography.
Senger, François de, 1906-
Swiss periodicals--History--20th century.