Columbia subject headings:
Harvard subject headings:
Paraguay--Politics and government--1870-1938--Sources
Paraguay--Politics and government--1938-1954--Sources.
Press and politics--Paraguay--History--20th century--Sources.
Princeton subject headings:
Paraguay--Politics and government--1870-1938--Sources.
Paraguay--Politics and government--1938-1954--Sources.
Press and politics--Paraguay--History--20th century--Sources.