Columbia subject headings:
Harvard subject headings:
Socialism and youth--Cuba--Congresses.
Unión de Jóvenes Comunistas (Cuba)--Congresses.
Youth--Cuba--Political activity--Congresses.
Princeton subject headings:
Socialism and youth--Cuba--Congresses.
Unión de Jóvenes Comunistas (Cuba)--Congresses.
Youth--Cuba--Political activity--Congresses.