Columbia subject headings:
Harvard subject headings:
Student movements--Mexico--Sonora (State)
Student movements--Mexico--Sonora (State)--History--20th century.
Universidad de Sonora--Students--Political activity--History--20th century.
Universidad de Sonora.
Princeton subject headings:
Student movements--Mexico--Sonora (State)--History--20th century.
Universidad de Sonora--Students--Political activity--History--20th century.