Columbia subject headings:
P.S.O.E. (Political party)
Press and politics--Spain.
Spain--Politics and government--1975-1982.
Harvard subject headings:
P.S.O.E. (Political party)
Press and politics--Spain.
Spain--Politics and government--1975-1982.
Spain--Politics and government--1982-
Princeton subject headings:
P.S.O.E. (Political party)
Press and politics--Spain.
Spain--Politics and government--1975-.