Columbia subject headings:
Harvard subject headings:
Childbirth--Spain--Guipúzcoa--History--18th century.
Death--Spain--Guipúzcoa--History--18th century.
Guipúzcoa (Spain)--Population--History--18th century.
Princeton subject headings:
Guipúzcoa (Spain)--Population.
Guipúzcoa (Spain)--Statistics, Vital.