Columbia subject headings:
Harvard subject headings:
Nineteen sixty-eight, A.D--Social aspects.
Protest movements--Switzerland--History--20th century.
Students--Political activity--Switzerland--History--20th century.
Switzerland--History--20th century.
Switzerland--Politics and government--1945-
Switzerland--Social conditions--1945-
Princeton subject headings:
Nineteen sixty-eight, A.D.--Social aspects.
Protest movements--Switzerland--History--20th century.
Students--Political activity--Switzerland--History--20th century.
Switzerland--History--20th century.