Columbia subject headings:
Harvard subject headings:
Fertility, Human--Portugal--Lanhezes--History.
Lanhezes (Portugal)--Population--History.
Marriage--Portugal--Lanhezes--History.
Portugal--Emigration and immigration--History--Case studies.
Princeton subject headings:
Fertility, Human--Portugal--Lanhezes--History.
Lanhezes (Portugal)--Population--History.
Marriage--Portugal--Lanhezes--History.
Portugal--Emigration and immigration--History--Case studies.