Columbia subject headings:
Harvard subject headings:
Argentina--History--1955-1983
Argentina--History--1983-2002
Disappeared persons--Argentina--Correspondence.
Madres de Plaza de Mayo (Association)--Correspondence.
Political prisoners--Argentina--Correspondence.
Princeton subject headings:
Argentina--Politics and government--1955-1983.
Argentina--Politics and government--1983-2002.
Political prisoners--Argentina--Correspondence.
Victims of state-sponsored terrorism--Argentina--Correspondence.