Columbia subject headings:
Harvard subject headings:
Asociación de Demografía Histórica--Periodicals.
Demography--Periodicals.
Population geography--History--Periodicals.
Portugal--Population--History--Periodicals.
Spain--Population--History--Periodicals.
Princeton subject headings:
Asociación de Demografía Histórica--Periodicals.
Demography--Periodicals.
Periodicals.
Population geography--History--Periodicals.
Portugal--Population--History--Periodicals.
Spain--Population--History--Periodicals.