Columbia subject headings:
Conservatism--Latin America--History--20th century--Congresses.
Conservatism--Portugal--History--20th century--Congresses.
Conservatism--Spain--History--20th century--Congresses.
Latin America--Politics and government--1830-1948--Congresses.
Portugal--Politics and government--1910-1974--Congresses.
Right and left (Political science)--Latin America--History--20th century--Congresses.
Right and left (Political science)--Portugal--History--20th century--Congresses.
Right and left (Political science)--Spain--History--20th century--Congresses.
Spain--Politics and government--20th century--Congresses.
Harvard subject headings:
Conservatism--Latin America--History--20th century--Congresses.
Conservatism--Portugal--History--20th century--Congresses.
Conservatism--Spain--History--20th century--Congresses.
Latin America--Politics and government--1830-1948--Congresses.
Portugal--Politics and government--1910-1974--Congresses.
Right and left (Political science)--Latin America--History--20th century--Congresses.
Right and left (Political science)--Portugal--History--20th century--Congresses.
Right and left (Political science)--Spain--History--20th century--Congresses.
Spain--Politics and government--20th century--Congresses.
Princeton subject headings:
Conference papers and proceedings.
Conservatism--Latin America--History--20th century--Congresses.
Conservatism--Portugal--History--20th century--Congresses.
Conservatism--Spain--History--20th century--Congresses.
Latin America--Politics and government--20th century--Congresses.
Portugal--Politics and government--20th century--Congresses.
Right and left (Political science)--Latin America--History--20th century--Congresses.
Right and left (Political science)--Portugal--History--20th century--Congresses.
Right and left (Political science)--Spain--History--20th century--Congresses.
Spain--Politics and government--20th century--Congresses.