Columbia subject headings:
Harvard subject headings:
Authors, European--Mexico--History--Congresses.
Authors, Exiled--Mexico--History--Congresses.
Exiles--Europe--Biography--Congresses.
Exiles--Mexico--Biography--Congresses.
Mexico--In literature--Congresses.
Political refugees--Mexico--History--Congresses.
Princeton subject headings:
Authors, European--Mexico--History--Congresses.
Authors, Exiled--Mexico--History--Congresses.
Exiles--Europe--Biography--Congresses.
Exiles--Mexico--Biography--Congresses.
Mexico--In literature--Congresses.
Political refugees--Mexico--History--Congresses.